Vitamin D deficiency is associated with poor muscle function in adults aged 60+

New research shows that vitamin D deficiency is an important determinant of poor skeletal muscle function in adults aged 60 years and over. While resistance exercise is known to preserve muscle function, there is growing evidence that adequate vitamin D status may also be protective.

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Researchers find college football players' weight gain leads to heart problems

Weight gain and high blood pressure in college football players leads to adverse changes in cardiac structure and function, indicating monitoring and early intervention is needed for this young and otherwise healthy athletic population, according to a new study.

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Metformin offers no strength training benefits for seniors, study shows

A clinical trial argues against the hypothesis that the diabetes drug metformin could help exercising seniors gain more muscle mass. The double-blind trial found that older adults who took metformin while performing rigorous resistance exercise training had smaller gains in muscle mass than the placebo group.

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Limiting mealtimes may increase your motivation for exercise

Limiting access to food in mice increases levels of the hormone, ghrelin, which may also increase motivation to exercise, according to a new study. The study suggests that a surge in levels of appetite-promoting hormone, ghrelin, after a period of fasting prompted mice to initiate voluntary exercise.

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Why some US football players have higher cardiovascular risk

Research has shown that while elite athletes overall are at decreased risk of death from cardiovascular problems, a certain group of athletes — football linemen in the United States — actually have higher risk than the general population than other elite athletes.

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