We know that exercise and exercise are good for both our physical and mental health, but despite all the health benefits, it can be difficult to motivate oneself.
Why?
"For almost our entire history, famine has been a gigantic threat to our lives," says doctor and psychiatrist Anders Hansen in Ask the Doctor Health.
Our brains are simply programmed not to want to waste energy unnecessarily.
- We are not developed for health, we are developed for survival, he says.
See more in the clip above.