Kathi Heffner News Today

As the weather gets colder, more Americans will start getting sick with the flu or COVID-19. Here are four ways health experts say you can help improve your immune system to better protect against getting sick, Hannah Seo reports for the New York Times' "Well."

Immunologists and other health experts say that by staying active, getting enough rest, following a healthy diet and keeping up with pandemic precautions, you can boost your immune system during cold and flu season.

Here are four things immunologists and other health experts say you can do.