Meditation, Medi- as in Medicine

Not a popular idea, because it doesn't necessarily sell well, but I believe meditation is the most important exercise you will ever do, and if you skip a day, any other exercise you do that day will have a diminished return on your time invested.

Stress is the number 1 killer on the planet, stop pretending like it isn't.

Here's a free guided meditation:

___Sit down, BE quiet. For a little while just BE.___