In Focus:

Male Triathletes May Be Harming Their Hearts,Study Says

Men who compete in triathlons could be putting their hearts at risk, a new study contends.

The finding results from an examination of 55 male triathletes who averaged 44 years old, and 30 female triathletes, with an average age of 43. All participated in triathlons, which involve sequential endurance competitions of swimming, cycling and running.

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