It might sound counterintuitive, but one of the main ways you can care for yourself is to care for others.

In a recent review of 40 studies done over the last 20 years, researchers found that one activity was far more important than the rest for boosting psychological health: volunteering. This activity, the researchers reported, had been found in many volunteers to be linked with a reduced risk of depression, a higher amount of overall satisfaction, and even a reduced risk of death from of a physical illness as a consequence of mental distress.