Experts warn too much exercise could be deadly for middle-aged men
from Daily Mail
Next April, Rod Gemmell is planning to run the notorious Marathon des Sables — a six-day 156-mile ultra-marathon across the Sahara desert at a time when the temperature is likely to climb to more than 50 degrees. It is one of the toughest challenges any athlete can face, but Rod is no professional. He is a 66-year-old retired businessman of average build and fitness from Caterham, Surrey.
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