"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." High-intensity interval training (otherwise known as HIIT) may sound, well, intense. And it can be. But ...
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High Intensity Interval Training (HIIT) can reverse heart ageing by 50%, even in middle aged people
Think you are too old to halt heart ageing? Think again. You can, in fact, turn back the clock on your heart at the age of 50, thanks to High Intensity Interval Training, or HIIT, that is considered ...
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