In TODAY.com's Expert Tip of the Day, a doctor reveals the important clues about your health that can be found in your snot.

Not many things are as uncomfortable and annoying as a runny or congested nose when you’re sick. Constantly blowing your nose and not being able to breathe through it may leave you wondering: Why does ...

Before you rush to sprays, warm mist can help loosen mucus and reduce congestion by temporarily increasing airflow and ...

Tiny cilia and mucus inside the nose block out things like dust, pollution, and bacteria. This makes the air that reaches the ...

The University of Queensland’s Health Check maintains that there’s a correct way to blow one's nose, and if done well, it can prevent mucus building up to create a runny nose. | Adobe.com Bet you didn ...

Struggling to sleep with a blocked nose or cough? These simple, effective tips will help you rest better when you’ve got a ...

Get inspired by a weekly roundup on living well, made simple. Sign up for CNN’s Life, But Better newsletter for information and tools designed to improve your well-being. Every time I get the sniffles ...

Learn five key signs your baby needs a nasal aspirator and when to seek medical help for congestion. Expert baby care ...

Cold and flu season is upon us. Cases are jumping across the country, the Centers for Disease Control and Prevention (CDC) data shows, bringing plenty of stuffy, runny noses along for the ride. While ...

Bloody boogers form when blood mixes with mucus in the nose and the mucus dries. Various causes may include nose-picking or ruptured vessels. The nose lining is delicate and rich in blood vessels, and ...