So he sets himself a challenge to find out what the truth about exercise really is - how much do we really need; how much is healthy; and what kinds help us the most?
He uncovers the surprising new research that 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.