4 ways to boost your immune system through diet

Learn what types of healthy foods can help you avoid colds and the flu.

Flu season is here: Get your shot now

Get your flu vaccine to get the best protection now that flu season is in full swing.

Flu vaccination myths

The truth about flu shots.

Kids and cold medications

Learn how over-the-counter children's cold remedies can do more harm than good.

What your cough means

Learn how to identify the different kinds of coughs—and what to do about them.