Holistic health guru Dr. Andrew Weil gave friendship a big endorsement this week with his newsletter article entitled “Four Ways to Live Past 100.” We already knew girlfriends were good for you…but if you need convincing, here’s yet another respected source talking up the health benefits of social ties. And we quote:

“A network of family and close friends is vital to optimum health. You can enjoy the benefits of a well developed social life by spending time with people who make you happy, joining community groups or clubs, volunteering, and participating in support groups.”

If you’d like to see the other three ways to live past 100, visit Dr. Weil’s website here. And get on the phone to make plans with your girlfriends, stat!