Science
High intensity interval training might help you live longer than more gentle exercise, but the link is hard to prove – ABC News
Regular exercise helps you live longer, right? And vigorous exercise is particularly good for you, isn’t it? A big study of older people, thought to be the firs…

Regular exercise helps you live longer, right? And vigorous exercise is particularly good for you, isn’t it?
Well, probably. But everything we think we know about exercise and longevity actually comes from observational studies the kind that tracks people over a long period of time, but where you can’t prove cause and effect.
Now a group of researchers is trying to rectify this, with a large, long-term randomised trial studying the effects of exercise intensity on the risk of death, and the …
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