When you read about people dying of “natural causes,” it usually means that they died of heart failure because they spent too much time lying in bed. When you become inactive, you lose your skeletal muscles at an alarming rate, and losing skeletal muscle causes loss of heart muscle until your heart can become too…

While it’s almost unnoticeable to begin with, nearly every cell, organ and biological process gets a little bit worse every year we’re alive starting from age 30 or so. The sum of these processes is what we know as ageing. For most of us, loss of muscle strength and mass are some of the first…