Volunteering doesn't just benefit the people you are helping. It also improves your own health. Research shows people who do things for others have better brain and heart health.
NPR's Juana Summers speaks with writer and runner Ali Feller, host of the podcast Ali on the Run, about strategies she's used to get through a challenging year.
President Carter helped lead a global health effort to eradicate the Guinea worm, a painful parasite which once infected more than 3 million people a year. Cases now number about a dozen a year.
Psychological first aid is the idea that interventions that can be done in the wake of a traumatic event to promote resilience and healing. Psychiatrist Robin Gurwitch helped develop the protocol.