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President John F. Kennedy: Should Health Records Be Released?

John F. Kennedy was probably the sickest U.S. President ever. He suffered from a disease called Autoimmune Polyglandular Syndrome, which was not described until 1981, 18 years after he was assassinated (Medicine, 1981;60(5):355-62). This disease made him miserable by knocking off his thyroid and adrenal glands, and probably his parathyroid glands also.

All Exercisers Can Gain Health Benefits from Elite Training Methods

The training principles that improve performance in competitive athletes can be used by all exercisers, even those who have never exercised previously, and can help to prevent heart attacks and prolong lives. Exercise helps to prevent heart attacks because exercise makes muscles stronger, including your heart muscle.

Large Doses of Vitamin D Can Be Harmful

Lack of vitamin D can cause weak bones that break easily, bone pain, and muscle weakness, and may increase risk for diabetes, high blood pressure, certain cancers, nerve damage and autoimmune conditions such as multiple sclerosis. However, taking very high doses (>3000 IU/day) of vitamin D can harm you.

Can Hair Turn Grey Overnight?

Marie Antoinette and Sir Thomas More were both reported to have had their hair turn gray on the nights before their executions. However, hair is dead skin, so it can’t possibly change color. Grey hair means that you have a mixture of white and pigmented hairs. The only way that hair could change color overnight would be to have most of your darker hairs fall out suddenly, leaving only the white hairs.

Exercise Treats Insulin Resistance

Up to 70 percent of North Americans adults will develop diabetes or pre-diabetes, usually from insulin resistance caused by excess fat in the liver and muscles. Exercise helps to empty fat from the liver and muscles, so exercise helps to prevent and treat diabetes.

Lifestyle Changes Do Help to Prevent Cancers and Heart Attacks

In North America, more than 40 percent of cancers and cancer deaths from 26 different cancers are associated with lifestyle factors such as excess weight, a faulty diet or lack of exercise.

David Olney: CPR for a Heart Attack

David Olney was a famous singer-songwriter who released more than 20 albums and wrote songs with Emmylou Harris, Steve Earle, Linda Ronstadt, Steve Young, Del McCoury, Laurie Lewis and many others.

Fiber Wins Again

Two new studies add to the huge body of research showing that perhaps the most important dietary recommendation is to eat lots of fiber, which is found in plants. You keep on gaining health benefits until you reach at least 25 to 29 grams of fiber per day.

Alcohol At Any Dose Can Increase Cancer Risk

Compared to non-drinkers, people who take one or two drinks per day for one year are at increased risk for cancer, and drinking even one glass of wine a day raises the risk of cancer of the throat, esophagus, liver, colon, rectum or breast.

John Havlicek: Parkinson’s Disease in Athletes

John Havlicek was one of the most gifted athletes ever.  Over 16 seasons with the Boston Celtics from 1962-1978, he scored 26,395 points, averaged 20.8 points a game, was named to five NBA all-defensive teams, won eight NBA championships and played in 13 All-Star games.