Harvard Health Content API

Feeling blue—or on top of the world? Your circadian rhythm may be the reason.

What you eat directly affects the structure and function of your brain and, ultimately, your mood.

So you messed up. Stop beating yourself up over it.

If you can identify when you’re entering a state of flow, you may boost your happiness in the long term. 

Identifying your strengths is akin to unlocking your secret potential.

Specific ways to increase your resilience to everyday stressors

Work—or lack of it—can be stressful. Here’s why, and here’s help stressing less.

Here’s some help getting started

Here’s how your immune system helps keep you healthy.

Taking care of your immune system helps it protect you from getting sick.