• You have many choices when it comes to your health. What you eat, how active you are, and how you respond to stress each have an effect. Let these tools and resources help you get started.

Health Tips

Face Masks and COVID-19

To fight the spread of COVID-19, many places now require people to wear face masks. But the advice on wearing them has changed over the course of the pandemic. This has led some people to question: Do face masks even protect against COVID-19? “Yes, absolutely,” says Dr. Adriaan Bax, a biophysicist at NIH.

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How research works

Have you ever wondered what it means to “follow the science?” Sometimes it may seem like what’s true one day changes the next. But when what we know changes, it often means science is working.

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