2. Prayer & Meditation

Interesting short article:

https://www.psychologytoday.com/intl/articles/200304/the-benefits-meditation

The brain waves of meditators show why they're healthier. Neuroscientists have found that meditators shift their brain activity to different areas of the cortex—brain waves in the stress-prone right frontal cortex move to the calmer left frontal cortex. In other words, they were calmer and happier than before.

By Colin Allen published April 1, 2003 - last reviewed on June 9, 2016