Thursday, July 29, 2010

The Making of Golf Balls

The golf ball market is worth around $550 million in annual sales, with over 850 million golf balls being manufactured and shipped every year. Currently, balls are made in two or three parts. A two-piece ball is made of rubber and plastic, and is mostly used by the casual golfer. These balls last a lot longer than the three-piece balls the pros use and hence make up 70% of all golf ball production. A three-piece ball consists of a plastic cover, windings of rubber thread, and a core that contains a gel or liquid (sugar and water) or is solid. A dimple pattern on the surface results in good flight performance.

The most common dimple patterns are the icosahedral, the dodecahedral, and the octahedral. The icosahedral pattern is based on a polyhedral with 20 identical triangular faces, much like a 20-sided die. Similarly, a dodecahedral is based on a polyhedral with 12 identical faces in the shape of pentagons. The octahedral is based on an eight-sided polyhedral with triangular faces. Some balls are based on the icosahedral with 500 dimples. As a general rule, the more dimples a ball has the better it flies, provided those dimples are about 0.15 in (0.38 cm) in diameter.

The size and depth of the dimples also affect performance. Shallow dimples generate more spin on a golf ball than deep dimples, which increases lift and causes the ball to rise and stay in the air longer and roll less. Deep dimples generate less spin on a golf ball than shallow dimples, which decrease lift and causes the ball to stay on a low trajectory, with less air time and greater roll. Small dimples generally give the ball a lower trajectory and good control in the wind, where as large dimples give the ball a higher trajectory and longer flight time.

Technological advances in materials and aerodynamics now allow the manufacturer to custom-fit a golf ball for a players' particular game, for weather conditions, and even for specific course conditions. Golf balls can be separated into four basic performance categories: distance and durability; control and maneuverability; distance and control; and slow club head speed. Within these categories there are more than 80 different balls of varying construction materials and design.

The United States Golf Association (USGA) has established rules for the ball in regard to maximum weight, minimum size, spherical symmetry, initial velocity, and overall distance. The weight of the ball must not be greater than 1.62 oz (45.93 g) and must be spherically symmetrical. The velocity shall not be greater than 250 feet (75 m) per second (255 feet [76.5 m] per second maximum) when measured on apparatus approved by the USGA. The overall distance standard states that the ball shall not cover an average distance in carry and roll exceeding 280 yards (84 m) (296.8 yards [89 m] maximum). These rules are updated every year.

Currently, there are around 850 models of balls that conform to these standards. Recently, balls that are about 2% larger than ordinary balls have been introduced that still conform to USGA rules. These balls have softer cores and thicker, harder covers, which leads to a straighter, longer shot.

The Manufacturing Process
Three-piece golf balls are more difficult to make and can require more than 80 different manufacturing steps and 32 inspections, taking up to 30 days to make one ball. Two-piece balls require about half of these steps and can be produced in as little as one day.

Forming the center
The center of the two-piece ball is a molded core. It is a blend of several different ingredients, all of which are chemically reactive to give a rubber type compound. After heat and pressure is applied, a core of about 1.5 inches (3.75 cm) is formed.

Forming the cover and dimples
•Injection molding or compression molding is used to form the cover and dimples on a two-piece ball using a two-piece mold. In injection molding, the core is centered within a mold cavity by pins, and molten thermoplastic is injected into the dimpled cavity surrounding the core. Heat and pressure cause the cover material to flow to join with the center forming the dimpled shape and size of the finished ball. As the plastic cools and hardens, the pins are retracted and the finished balls are removed.
•With compression molding, the cover is first injection molded into two hollow hemispheres. These are positioned around the core, heated and then pressed together, using a mold which fuses the cover to the core and also forms the dimples. Three-piece balls are all compression molded since the hot plastic flowing through would distort and probably cause breaks in the rubber threads.

Polishing, painting, and final coating
"Flash" or rough spots and the seam on the molded cover are removed. Two coats of paint are applied to the ball. Each ball sits on two posts, which spins so that the paint is applied uniformly. Spray guns that are automatically controlled are used to apply the paint. Next, the ball is stamped with the logo. The final step is the application of a clear coat for high sheen and scuff resistance.

Drying and packaging
After the paint is applied, the balls are loaded into containers and placed in large dryers. After drying, the balls are ready for packaging in boxes and other containers.

Quality Control
In addition to monitoring the manufacturing process using computers and monitors, three-piece balls are x-rayed to make sure the centers are perfectly round. Compression ratings are also used to measure compression-molded, wound golf balls. These ratings have no meaning when applied to two-piece balls, however. Instead, these balls are measured by a co efficiency rating, which is the ratio of initial speed to return speed after the ball has struck a metal plate. This procedure measures the coefficient of restitution.

Information provided by answers.com

Quote:
"It's good sportsmanship to not pick up lost golf balls while they are still rolling."  ~  Mark Twain


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Wednesday, July 28, 2010

What is an Idiom?

An idiom is a phrase where the words together have a meaning that is different from the dictionary definitions of the individual words.
Here are some - you may find you know/use many of them!
A penny saved is a penny earned:  This means that we shouldn't spend or waste money, but try to save it.
A still tongue keeps a wise head:  Wise people don't talk much.
All the tea in China:  If someone won't do something for all the tea in China, they won't do it no matter how much money they are offered.
Armchair critic:  An armchair critic is someone who offers advice but never shows that they could actually do any better.
Call the dogs off:  If someone calls off their dogs, they stop attacking or criticising someone.
Case in point:  Meaning an instance of something has just occurred that was previously discussed. For instance, a person may have told another that something always happens. Later that day, they see it happening, and the informer might say, 'case in point'.
Chickenfeed:  If something is small or unimportant, especially money, it is chickenfeed.
Many moons ago:  A very long time ago.
March to the beat of your own drum:  If people march to the beat of their own drum, they do things the way they want without taking other people into consideration.
Mark my words:  Mark my words is an expression used to lend an air of seriousness to what the speaker is about to say when talking about the future.
Recharge your batteries:  If you recharge your batteries, you do something to regain your energy after working hard for a long time.
Recipe for disaster:  A recipe for disaster is a mixture of people and events that could only possibly result in trouble.
Red carpet:  If you give someone the red-carpet treatment, you give them a special welcome to show that you think they are important. You can roll out the red carpet, too.
Waiting in the wings:  If someone is waiting in the wings, they are in the background, but nearby, ready to act on short notice.
Wake up and smell the coffee:  When someone doesn't realise what is really happening or is not paying enough attention to events around them, you can tell them to wake up and smell the coffee.
Water off a duck's back:  If criticism or something similar is like water off a duck's back to somebody, they aren't affected by it in the slightest.
Oldest trick in the book: The oldest trick in the book is a well-known way of deceiving someone, though still effective.
Olive branch:  If you hold out or offer an olive branch, you make a gesture to indicate that you want peace.
On a fishing expedition:  If someone is on a fishing expedition, they are trying to get information, often using incorrect or improper ways to find things out.
Elbow room:  If you haven't got enough elbow room, you haven't got enough space.
Elephant in the room:  An elephant in the room is a problem that everyone knows very well but no one talks about because it is taboo, embarrassing, etc. 
Eleventh hour:  If something happens at the eleventh hour, it happens right at the last minute.
Empty vessels make the most noise:  The thoughtless often speak the most.
Beating around the bush:  Avoiding the main topic. Not speaking directly about the issue.
Bend over backwards:  Do whatever it takes to help. Willing to do anything.
Between a rock and a hard place:  Stuck between two very bad options.
Bite off more than you can chew:  To take on a task that is way to big.
Flash in the pan:  Something that shows potential or looks promising in the beginning but fails to deliver anything in the end.
Icing on the cake:  When you already have it good and get something on top of what you already have.
Idle hands are the devil's tools:  You are more likely to get in trouble if you have nothing to do.
If it's not one thing, it's another:  When one thing goes wrong, then another, and another...
New York minute:  A minute that seems to go by quickly, especially in a fast paced environment.
No dice:  To not agree. To not accept a proposition.
No room to swing a cat:  An unusually small or confined space.
Not playing with a full deck:  Someone who lacks intelligence.
 
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Tuesday, July 27, 2010

Exercising at Home

Exercise at home:  Top 10 fitness workouts to do at home  ~ Written by Marie Hughes
Always check with your doctor before starting an exercise program.

1. STAIR CLIMBING
    You can get the same benefits at home as you would in a step aerobics class at the gym. If you have a staircase in your home, you can get a great workout by simply climbing the stairs. To start, stand at the bottom of the stairs and walk in place for about one minute to get your leg muscles warmed up. Next, step up onto the first stair, and then back down. Repeat this move on the first stair only ten times. Walk in place for fifteen seconds. Next, walk up the first two stairs, and then back down, then walk up one stair and back down. Repeat ten times. Then go up three stairs, come down, walk up two stairs, come down, and walk up one stair and come down. Repeat ten times. Continue the pattern up ten stairs. You will definitely feel the burn by the end of this step routine. I don’t recommend going up more than ten stairs because it will get tricky to walk back down after that point. If you feel winded or dizzy, start slow. Stick with the first three stairs, and gradually build up your endurance over the weeks and months to come.

2. COUCH KICKS
    You can work out your thigh and gluteus muscles by using your couch as a piece of exercise equipment. Stand up facing the couch, with one of the couch arms in front of you. Bend forward, supporting your weight on the arm of the couch. Keep your head down so that you do not put stress on your neck muscles. Kick your right leg back, so that the bottom of your foot is parallel to the ceiling, and then bring it back down. When you are doing the exercise properly, you should feel it in your thigh and butt. Do fifteen repetitions on your right leg, and then repeat with your left leg. Continue switching back and forth between your legs until you feel like you have to stop. You will get results after a few weeks of this “uplifting” workout.

3. LAUNDRY LIFTS
    A laundry basket full of clothes can be more than a household chore – it can be an arm sculpting piece of exercise apparatus! Hold the basket above you head, and lift upwards and back down. Do at least three repetitions of fifteen lifts each. If it is too heavy for you, all you have to do is take out some clothes. This exercise will work your shoulders, upper arms, and upper back muscles. Vary this workout by laying flat on your back, and lifting the basket up and down from your chest.

4. WORKOUT VIDEOS
    There are some excellent workout videos on the market today that can get you into tip top shape. The 8-minute video series has editions for the arms, back, butt, thighs, and more. Tae Bo, which features the fat-blasting and energizing moves of host Billy Blanks, is a great home workout option, and there are many videos in his series to choose from, including a beginner’s video. Visit your local video rental store, and check out their collection of exercise video rentals. This way, you can try out workouts before you buy a video, and you can get a diversified workout.

5. COMMERCIAL BREAKS
    If you are a devout couch potato, and you love vegging-out in front of the television, then commercial break exercise bursts are right for you. While you are watching, do some curls with five or ten pound weights. When a commercial comes on, get up for a burst of intense exercise. Do some sit-ups, push-ups, jumping jacks, or crunches. Get your heart rate up. When the show comes back on, you can go back to the light exercise. Continue the cycle throughout your shows… every little bit counts! You will hardly realize that you are getting a workout.

6. CRUNCHES COMBO
    You don’t need an expensive membership to a fitness club or a personal trainer to get some killer abdominal muscles. Crunch routines can easily be done from the comfort of your own living room. If you have problems with neck pain when you do crunches, you might opt to invest in an “ab roller” machine because they cushion your head and neck. If you are doing crunches correctly, your neck should not be strained, but many people have a hard time getting them right, so the head cushion is helpful. Start with some isometrics. Take a five-second count to come up, and five seconds back down. Do five reps. You will feel the burn. Next, do three reps of fifteen crunches at a normal pace. Next, you will turn onto your side, with your upper back and shoulders still facing upward. Do the same workout that you did for the standard crunches (isometric, then at a regular pace) on both of your sides. This will work your oblique muscles, also known as love handles.

7. ROLLING CHAIR PRESSES
    If you have an office chair with wheels (a swivel chair), then you can do some arm workouts right at your desk. Just hold onto the edge of your desk while you are seated in the chair, and use your arm muscles to pull yourself close to the desk, and then push yourself back away. This will work your biceps.

8. MARCHING DISHES
    Life is busy, so try to multi-task if you don’t have time to fit in a proper work out. When you are stuck in front of the sink doing dishes, march in place. You can also try some calf exercises: just lift yourself up and down on your tiptoes. You should try to incorporate exercise into your daily tasks whenever possible.

9. TREADMILL TIME
    If you can afford to get just one piece of workout equipment for your home gym, it should be a treadmill. Walking and jogging on a treadmill will give you an excellent cardiovascular workout. Try to get in a minimum of thirty minutes a day. Experiment with different speeds and inclines.

10. BUST A MOVE
    Dancing is a great way to burn off pounds, and it also great fun. Turn on some off your favorites tunes with a fast and energetic beat, and break it down. It doesn’t matter what you look like – all that matters is that you are burning calories, and loving every minute of it.

Quotes:
"Physical fitness is not only one of the most important keys to a healthy body, it is the basis of dynamic and creative intellectual activity."  ~ John F. Kennedy

"The doctor of the future will give no medicine, but instead will interest his patients in the care of the human frame, in diet, and in the cause and prevention of disease."  ~ Thomas Edison

"Walking is the best possible exercise. Habituate yourself to walk very far."  ~ Thomas Jefferson

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Monday, July 26, 2010

Top 10 Best House Cats

Top Ten Best House Cats ~ By: Helen Polaski

    While there are about 71 different breeds, fewer than 40 are true house cats. Of that number, about half are longhaired and half are shorthaired. Some shed worse than others do.

1.  Alley Cat:  This cat is a domestic short hair (DSH), not to be confused with the American Shorthair, though the only real difference is that the American Shorthair will consistently give birth to kittens with all of the same qualities. An alley cat cannot do the same. Each litter an alley cat delivers will generally be different.
     The alley cat often exhibits some throwback qualities, including long hair or additional toes, such as polydactyl cats or mittened cats, also known as Hemingway cats. Though extra toes on each paw have long been known as a byproduct of inbreeding, many people seek this cat for its uniqueness. In fact, at the Ernest Hemingway Home and Museum in Key West, approximately 60 polydactyl cats, descendants from Hemingway's original ship cats, still carry on the extra-toed tradition. Alley cats appear to have the best temperaments, are long-lived and come in an array of beautiful colors. However, this cat prefers to be an indoor/outdoor cat. The problem with letting your cat roam is that it can be injured or pick up illnesses from other outdoor cats. Once you get a cat, it is best to keep it indoors.

2.  Himalayan or Persian: Longhaired and good-natured, this cat makes a perfect lap cat. The breed offers several colors, including everything from solid red to cats with multicolored points. This cat is an indoor only cat, and its long hair requires brushing on a regular basis. Mats will occur from time to time and require a visit to the vet. While there may be some maintenance involved, the Himalayan generally is a sweet cat with few issues.

3.  Maine Coon:  Longhaired and good-natured, this native of Maine is one of the oldest natural cat breeds of North America. While there is no proof, legend claims the cat bred with a raccoon, hence the markings. This cat is built for outdoors and cold climates. Extra-thick fur and a long, bushy tail help protect it against the elements. Maine Coons reach their mature size by around five years of age, but-especially males-tend to retain kitten qualities throughout their lifetime. Occasionally, a polydactyl will appear in a litter, as was common in the beginning, but breeders have done a good job of eliminating this benign inbreeding deformity.

4.  Exotic:  This breed includes several favorites, such as the Bengal, a leopard-spotted cat that looks just like the wild cat it's named after. Because its hind legs are longer than its front legs, this cat has a graceful stride that is also reminiscent of a wild Bengal Tiger.
     The Savannah is another exotic breed that is sought after. This breed has been around for about 10 years; it is a cross between an African Serval and a domestic cat. Tall and lanky, with solid, dark spots over a tawny basecoat, these cats look wild and some still act the part. However, as the cats are further domesticated, the breed as a whole is expected to become more docile.

5.  Siamese:  Shorthaired cats with dark points (similar to the Himalayan) were transported in from Thailand in the 1800s. With deep-blue, almond-shaped eyes and clean, sleek lines, this cat is known for its grace and elegance. The Siamese cat, however, has changed over the years. Today's Siamese, the Modern Siamese, is a mere shadow of its former self, the Traditional Siamese, which was a well-rounded cat with beautiful blue eyes and a disposition to match.

6.  Ragdoll:  This breed is semi-longhaired and adorable. This laid-back cat has captured the hearts of many across the globe because of its affectionate nature. Less finicky than your usual cat, Ragdolls enjoy and seek out human company, whereas many cats will not. This cat is well-behaved and does not shed much.

7.  Abyssinian:  A shorthaired cat that resembles the Egyptian cats of old. No one is quite sure where the Abyssinian breed came from. With its arched neck, almond-shaped eyes and muscular body, the Abyssinian is as graceful as it is beautiful. Its large ears, dark upper body markings and lighter underbody markings make this cat strikingly handsome.

8.  Sphynx:  This breed is hairless. These cats may have eyebrows and ear hair and some peach fuzz on their body. The Sphynx is intelligent, curious and generally very active. Because they do not have hair or fur, they tend to be great cuddlers.

9.  Oriental:  A shorthair with wide, large ears and a whippy tail. The Oriental is usually devoted to its owner, staying close by throughout the day. As long as this cat gets the attention it requires, it will be playful and spirited throughout its lifetime.

10. Birman:  This longhaired breed originated in Burma. Markings are similar to that of a Siamese or Himalayan, except that this cat's fur is silkier and doesn't mat like a Persian. Strikingly, the cat's front toes are pure white. With rounded eyes the color of a beautiful blue sky, this cat has very expressive face, framed within a dark mask. Considered sacred in its homeland, the Birman is playful and inquisitive, but with a knack for understanding when it's playtime and when its master is busy.

Quotes:
"In ancient times, cats were worshiped as gods; they have never forgotten this."  ~  Unknown
"You own a dog but you feed a cat."- Jenny de Vries

"Animals are such agreeable friends.  They ask no questions, they pass no criticisms."  ~ George Eliot

Below is a small compilation of well-known sayings about cats (and their meanings), and a few cat-inspired proverbs from around the world.
--It’s raining cats and dogs – This is an expression used to indicate that it’s pouring hard and heavy.
--Curiosity killed the cat - This phrase is used as a cautionary expression. To mind our own business.
--Let the cat out of the bag – To spill the beans, so to speak.
--Sick as a cat – Cats are known for hiding any sign of illness, so when they appear to be sick it usually means that their ailment might be quite advanced. So this phrase suggests that the person is very sick.
--To fight like cats and dogs – This phrase makes use of the legendary animosity between cats and dogs. No holds barred kind of battle.
--To be like a cat on a hot tin roof – To be excited and nervous.
--To grin like a Cheshire cat – To display a very big, and mischievous smile. The exact origins of this saying are not exactly known, but it has been widely associated with The Adventures of Alice in Wonderland, by Lewis Carroll, and the equally famous Cheshire cat.
--Like herding cats – An almost impossible task.
--Dogs have owners, cats have staff – I think that this cat saying is pretty much self-explanatory.

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Thursday, July 22, 2010

Cataract Information

A cataract is a clouding of the eye's lens. The vast majority of cataracts are related to age. Most people do not even realize they have a cataract, as cataracts grow very slowly and may not impede vision early on. After a number of years vision will likely be affected. When the cataract has become so dense that it compromises the patient's quality of life, the patient and ophthalmologist will discuss the appropriate time to remove it. Surgery is the only treatment.

What Causes a Cataract?
     The human lens is transparent so that light can travel through it easily. It has no blood supply. It is 65% water. Although new cells are being made for the lens continuously throughout our lifetime, many factors combine as we age to cause areas in the lens to become cloudy, hard, and dense. The lens can then no longer transmit a clear picture to the retina where it can be processed and sent through the optic nerve to the brain.

What are the Different Types of Cataract?
  • Congenital – although it is not common, some babies are born with cataracts or develop them within the first year of life.
  • Traumatic – this results from an injury to the eye.
  • Secondary – this is a cataract that is caused either by medications (most commonly prednisone or other corticosteroids) or disease, like diabetes. Cataracts are 10 times more common in diabetic patients than in the general population. 
  • Age-related – this is the most common kind of cataract. There are three subclassifications, based on location: nuclear, cortical and posterior subcapsular.
Facts and Figures:
  • By age 65, over 90% of people have a cataract.
  • 50% of people between the ages of 75 and 85 have lost some vision because of a cataract.
  • In the United States, cataract surgery is the most frequent therapeutic procedure performed on people age 65 and above.
  • Over 2 million cataract procedures are performed in the United States every year and include patients who range from newborn to those in their 90s.
  • Cataract is the most common cause of blindness in the world, although it is treatable.
Symptoms:
Typically patients will experience blurry vision, double vision, sensitivity to light, glare, colors that appear washed out, and frequent changes to eyeglass prescription. An ophthalmologist or optometrist will be able to diagnose a cataract by looking through a slit-lamp during a dilated eye examination or by looking through an ophthalmoscope.

Treatment:
Surgical removal of cataracts and replacement with an artificial lens (called an intraocular lens) is the most successful surgical procedure in the country. This is performed on an out-patient basis under local anesthesia.

Preventing Cataracts:
Although there is no surefire way to prevent cataracts from forming, there is evidence to show that protecting your eyes from ultraviolet light may prevent or slow the progression of cataracts. Smoking also increases the rate of cataract formation, so stopping smoking will decrease the risk.

Mythbusters - Facts about Cataracts:
Cataracts do not travel from one eye to the other.
Cataracts are not caused by using the eyes too much.
Cataracts are not related to cancer.
Cataracts cannot be treated or removed with a laser.

Quote:
"The spiritual eyesight improves as the physical eyesight declines."  ~  Plato

A Bit of Humor:
“No one ever injured his eyesight by looking on the bright side of things” ~ Author Unknown

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Wednesday, July 21, 2010

78 Reasons to Avoid Sugar

78 Reasons to Avoid Sugar ~ Straight from the writings of Dr. Victor Frank, founder/creator of Total Body Modification

1. Sugar can suppress the immune system.
2. Sugar can upset the body's mineral balance.
3. Sugar can cause hyperactivity, anxiety, concentration difficulties, and crankiness in children.
4. Sugar can drowsiness and decreased activity in children.
5. Sugar can adversely affect children's school grades.
6. Sugar can produce a significant rise in triglycerides.
7. Sugar contributes to a weakened defense against bacterial infection.
8. Sugar can cause kidney damage.
9. Sugar can reduce helpful high density cholesterol.
10. Sugar can promote an elevation of harmful cholesterol.
11. Sugar may lead to chromium deficiency.
12. Sugar may cause copper deficiency.
13. Sugar interferes with absorption of calcium and magnesium.
14. Sugar may lead to cancer of the breast, ovaries, prostate, and rectum.
15. Sugar can cause colon cancer with an increased risk in women.
16. Sugar can be a risk factor in gall bladder cancer.
17. Sugar can increase fasting levels of blood glucose.
18. Sugar can weaken eyesight.
19. Sugar raises the level of a neurotransmitter called serotonin, which can narrow blood vessels.
20. Sugar can cause hypoglycemia.
21. Sugar can produce acidic stomach.
22. Sugar can raise adrenaline levels in children.
23. Sugar can increase the risk of coronary heart disease.
24. Sugar can speed the aging process, causing wrinkles and gray hair.
25. Sugar can lead to alcoholism.
26. Sugar can produce tooth decay.
27. Sugar can contribute to weight gain and obesity.
28. High intake of sugar increases the risk of Crohn's disease and Ulcerative Colitis.
29. Sugar can case a raw, inflamed intestinal tract in person with gastric or duodenal ulcers.
30. Sugar can cause arthritis.
31. Sugar can cause asthma.
32. Sugar can cause candidiasis (yeast infection).
33. Sugar can lead to the formation of gallstones.
34. Sugar can lead to the formation of kidney stones.
35. Sugar can cause ischemic heart disease.
36. Sugar can cause appendicitis.
37. Sugar can exacerbate the symptoms of multiple sclerosis.
38. Sugar can indirectly cause hemorrhoids.
39. Sugar can cause varicose veins.
40. Sugar can elevate glucose and insulin responses in oral contraception users.
41. Sugar can lead to periodontal disease.
42. Sugar can contribute to osteoporosis.
43. Sugar contributes to saliva acidity.
44. Sugar can cause a decrease in insulin sensitivity.
45. Sugar leads to a decreased glucose tolerance.
46. Sugar can decrease growth hormone.
47. Sugar can increase total cholesterol.
48. Sugar can increase systolic blood pressure.
49. Sugar can change the structure of protein causing interference with protein absorption.
50. Sugar causes food allergies.
51. Sugar can contribute to diabetes.
52. Sugar can cause toxemia during pregnancy.
53. Sugar can contribute to eczema in children.
54. Sugar can cause cardiovascular disease.
55. Sugar can impair the structure of DNA.
56. Sugar can cause cataracts.
57. Sugar can cause emphysema.
58. Sugar can cause atherosclerosis.
59. Sugar can cause free radical formation in the bloodstream.
60. Sugar lowers the enzymes' abilities to function.
61. Sugar can cause the loss of tissue elasticity and function.
62. Sugar can cause liver cells to divide, increasing the size of the liver.
63. Sugar can increase the amount of fat in the liver.
64. Sugar can increase kidney size and produce pathological changes in the kidney.
65. Sugar can overstress the pancreas, causing damage.
66. Sugar can increase the body's fluid retention.
67. Sugar can cause constipation.
68. Sugar can cause myopia (nearsightedness).
69. Sugar can compromise the lining of the capillaries.
70. Sugar can cause hypertension.
71. Sugar can cause headaches, including migraines.
72. Sugar can cause an increase in delta, alpha, and theta brain waves, which can alter the mind's ability to think clearly.
73. Sugar can cause depression.
74. Sugar can increase insulin responses in those consuming high-sugar diets compared to low-sugar diets.
75. Sugar increases bacterial fermentation in the colon.
76. Sugar can cause hormonal imbalance.
77. Sugar can increase blood platelet adhesiveness, which increases risk of blood clots.
78. Sugar can increase the risk of Alzheimer's Disease

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Tuesday, July 20, 2010

Heat Stroke and Heat Exhaustion

Heat exhaustion: This condition often occurs when people exercise (work or play) in a hot, humid place and body fluids are lost through sweating, causing the body to overheat. The person's temperature may be elevated, but not above 104°F.

Heat stroke: This medical condition is life-threatening. The person's cooling system, which is controlled by the brain, stops working and the internal body temperature rises to the point where brain damage or damage to other internal organs may result (temperature may reach 105+°F).

Heat Exhaustion and Heat Stroke Causes
Heat exhaustion is typically caused when people who are not well adjusted to heat exercise in a hot, humid environment. 
•At high temperatures, the body cools itself largely through evaporation of sweat.
•When it is very humid, this mechanism does not work properly.
•The body loses a combination of fluids and salts (electrolytes).
•When this is accompanied by an inadequate replacement of fluids, disturbances in the circulation may result that are similar to a mild form of shock.


Heat stroke may often develop rapidly.
•Medical conditions or medications that impair the body's ability to sweat may predispose people to this problem.
•Heat stroke happens in the following two ways: 
     1. The classic form occurs in people whose cooling mechanisms are impaired.
     2. The exertional form occurs in previously healthy people who are undergoing strenuous activity in a hot environment.
•Infants and the elderly are more likely to have this problem, as are those who are taking antihistamines and certain types of medication for high blood pressure or depression.
 
Heat exhaustion symptoms:  
•Often pale with cool, moist skin
•Sweating profusely
•Muscle cramps or pains
•Feels faint or dizzy
•May complain of headache, weakness, thirst, and nausea
•Core (rectal) temperature elevated-usually more than 100°F-and the pulse rate increased
 
Heat stroke symptoms:
•Unconscious or has a markedly abnormal mental status (dizziness, confusion, hallucinations, or coma)
•Flushed, hot, and dry skin (although it may be moist initially from previous sweating or from attempts to cool the person with water)
•May have slightly elevated blood pressure at first that falls later
•May be hyperventilating
•Rectal (core) temperature of 105°F or more
 
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