Norovirus can strike suddenly, leaving you feeling nauseous and exhausted. Here's what to know if it hits you this winter.

Plus, when it’s time to see a doctor.

Flu season is not over yet, experts warn. Is there a second wave coming? Here's how to protect yourself as influenza keeps spreading.

Can grape juice and activated charcoal stop a stomach bug? Dietitians explain why this viral trend isn’t supported by science, where the idea likely came from, and what actually helps ease stomach flu ...