The mucus plug is a protective layer made up of sticky mucus that seals the cervix (the opening of the uterus). The cervical canal produces this plug to protect your womb and unborn baby from bacteria ...

The protective substance is an important barrier between the body and the environment. Here’s how researchers are using it to understand health. Credit: Wikimedia Commons/CC BY-SA 4.0 When Pilar Vigil ...

When you breathe, allergens, viruses, dust, and other debris stick to your nasal mucus, which then passes out of your system. Sometimes, your body can make too much throat mucus, requiring frequent ...

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?

Coughing up white mucus or phlegm can indicate several conditions, including asthma, bronchitis, and chronic obstructive pulmonary disease (COPD). In some cases, a person may need to see a doctor.

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...