2014-03-09 01:51:25

A study following 6,800 people for 18 years shows that 50 to 65-year-olds who eat a high animal-protein diet (more than 20 percent of calories from protein, with two-thirds or more of the protein from meat, diary or eggs) have twice the risk of dying and four times the risk of dying from cancer or diabetes, compared to those who eat less than 20 percent protein (Cell Metabolism, March 4, 2014). In this study, a low-protein diet for all ages was associated with reduced risk for cancer. There is a difference... Read more

2014-03-09 01:43:29

Many competitive senior athletes were alarmed by last year's reports suggesting that they might be at increased risk for irregular heart beats (see Is Vigorous Endurance Exercise Safe for the Heart?) Three important new studies show that competitive athletes are likely to be healthier, suffer less disease and live longer than their non-exercising peers. No Heart Abnormalities Found Read more

2014-03-06 15:26:02

Toshiko D’Elia, who broke many age-group world marathon records for women over 50, died of brain cancer on February 19, 2014. She was the first woman over age 50 to run a marathon in under three hours, in 2:57:25 (August, 1980) and the first woman over age 65 to run under 7:00 minutes in the mile (1997). She won 29 age-group marathon championships (six in New York, eight in Boston, five in the Jersey Shore Marathon, and ten at the Twin Cities Marathon). She did not start running until she was 44 years old. ... Read more

2014-03-03 01:40:49

The most common cause of muscle cramps during intense exercise is damage to the muscle fibers themselves. Doctors in South Africa studied triathletes and found that most of the time muscle cramps are not caused by dehydration, thyroid disease, mineral abnormalities (calcium, sodium, magnesium or potassium), blocked blood flow or nerve damage (Br J Sports Med, June, 2011;45(8):650-6 and Medicine & Science in Sports & Exercise, July, 2005;37(7):1081-1085). Athletes with cramps had normal electrolytes a... Read more