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.
Watch on iPlayer...
http://www.bbc.co.uk/i/b01cywtq/