How do I influence the health of other people in my social network?

Healthy changes your friends make, and even friends of friends make, can ultimately change your behavior.

What your peers eat—whether healthy or not—may have an effect on your habits and your health.

Falling short of your health goals? Here’s why you should talk to your partner.

Do your bonds with loved ones supporting your well-being? Get tips on building healthy relationships.

Good friends fill your years with joy and may add years to your life.

Positive thoughts are linked to good health—and you can learn to cultivate them.