Mucus is a normal part of the lungs. But smoking and other issues can cause too much mucus to collect there. (Photo Credit: iStock/Getty Images) Your body makes about a liter (approximately 1 quart) ...
Snot is made up of water, proteins, antibodies, and dissolved salts, explains Jonathan Parsons, M.D., a professor in the Department of Internal Medicine at The Ohio State University Wexner Medical ...
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 ...
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