Some findings from recent studies on diet and exercise:
June 2001: Eating even moderate amounts of oily fish, such as mackerel, salmon and sardines, might cut by half the risk of prostate cancer.
June 2001: Young men who jog regularly build strong bones and may be less likely to develop the bone-thinning disease osteoporosis.
September 2001: Edible berries from the autumn olive plant are far richer, up to 18 times, in the antioxidant lycopene than tomatoes, and could also be a cancer fighter.
January 2002: Daily, moderate consumption of alcohol, already shown to help prevent heart disease and strokes, may also ward off Alzheimer's disease and other types of dementia.
March 2002: A diet rich in tomato sauce, ketchup and other tomato-based products containing lycopene, a powerful antioxidant, can reduce the risk of prostate cancer.
May 2002: Heavy tea drinking can reduce the risk of dying after a heart attack.
May 2002: Longtime tea drinking may strengthen bones, Taiwanese researchers find.
May 2002: A hormone thought to boost the appetite rises in the bloodstream after dieters lose lots of weight, possibly explaining why it's so hard to keep the weight off long term.
May 2002: Broccoli and broccoli sprouts (which are similar to alfalfa sprouts) contain a chemical that kills the bacteria responsible for most stomach cancer, researchers say.
August 2002: Scientists isolate a hormone that makes people feel full when they eat and show its potential as a new weight-loss drug by injecting volunteers before a big buffet lunch.
August 2002: Long-followed advice to drink at least eight glasses of water a day may be a myth. A researcher says most people should obey their thirst,'' although the elderly and people exercising heavily may need more water than they think.
August 2002: Lab mice slathered with caffeine developed fewer skin tumors than untreated animals, suggesting the chemical that adds zip to coffee and tea may also protect against skin cancer.
September 2002: People who want to stay healthy should exercise for at least an hour a day, double the previous recommendation, government health advisers recommend.
September 2002: Scientists summarizing 30 years of confusing and contradictory studies on cancer and diet conclude that alcohol is bad, obesity is bad, and lots of fruits and vegetables are good.
November 2002: Men in China have the world's lowest rate of prostate cancer, and a diet rich in garlic, shallots and onions may be one of the reasons, the National Cancer Institute reports.
January 2003: As little as half an alcoholic drink a day can reduce the risk of heart attacks, whether the beverage is beer, red or white wine, or hard liquor.
April 2003: Only vigorous exercise such as jogging, hiking, racket sports and swimming seems to help lower the risk of early death from heart disease, a British medical journal finds.
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