Health

Are your muscles genetically prepared to run a marathon?

For a few years, running has been fashionable. But there is a great difference between the physical demands of running a few kilometres and doing a marathon. Now Spanish researchers have concluded that genetics plays an essential ...

Health

Break the two-hour marathon record? It could be done today

A team led by the University of Colorado Boulder has laid out a series of mathematical calculations showing how one or more of the world's elite men marathoners could break the storied two-hour mark, shaving about four and ...

Health

The importance of electrolyte concentration in perspiration

Spanish researchers have analysed how the sodium lost through sweat during a marathon influences the maintenance of stable and physiologically sound conditions that allow the body to carry out its functions. Excessive electrolyte ...

Neuroscience

Body fat hormone leptin influences runner's high

The euphoric feeling that gives runners a motivational boost in the middle of their workout is in part modulated by the satiety hormone leptin, a new study reports September 1 in Cell Metabolism. Mice with reduced leptin ...

Cardiology

Can marathons temporarily hurt the heart?

(HealthDay)—The thousands of runners who will take part in the New York City Marathon on Sunday most likely believe they are strengthening their cardiovascular system by participating. But new research suggests the strain ...

Neuroscience

Stem cells may do best with a little help from their friends

Like volunteers handing out cups of energy drinks to marathon runners, specially engineered "helper cells" transplanted along with stem cells can dole out growth factors to increase the stem cells' endurance, at least briefly, ...

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