Your body produces mucus naturally to protect your respiratory system, and under normal circumstances, this protective fluid remains clear and relatively thin. However, when mucus suddenly changes to ...

Mucus isn't exactly something people give much thought to — until they're sick and dealing with a constantly runny nose. But mucus is actually an important part of a healthy immune system, according ...

Add Yahoo as a preferred source to see more of our stories on Google. Carol Yepes via Getty Images It’s that time of year again, when everyone’s fighting a cold and blowing their nose. Maybe you’ve ...

Your snot isn’t just an inconvenience; it is a window into your health. The color and consistency of nasal mucus can reveal a lot about your body, from allergies to infections. Understanding these ...

It can be hard to decipher when you or your children are suffering from allergies or something more serious. When should you go to the doctor? When should you take medicine, and what should you take?

Whether you're dealing with a runny nose, cough or congestion, your mucus can help determine if it's a minor bother like a common cold, allergies or a more serious health issue. That's right, the ...

Cervical mucus changes throughout the menstrual cycle. These changes are typical and can indicate a person has ovulated. If the mucus looks like egg white, a person may be at their most fertile. Some ...

Christopher Intagliata: One of the most crucial discoveries in 20th-century medicine may not have happened when it did if not for some snot on a petri dish. This is Christopher Intagliata, and you’re ...