Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.

Season 49 · Episode 8 ·
The Truth About Exercise
Like many, Michael Mosley want to get fitter and healthier but can't face hours on the treadmill or trips to the gym. Help may be at hand. He uncovers the surprising new research which suggests many of us could benefit from just three minutes of high intensity exercise a week. He discovers the hidden power of simple activities like walking and fidgeting, and finds out why some of us don't respond to exercise at all Using himself as a guinea pig, Michael uncovers the surprising new research about exercise, that has the power to make us all live longer and healthier lives.
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Episode 8 of season 49 of Horizon: “The Truth About Exercise”. Aired 2012-02-28. Watch it online free on ZapFlix.