A clinical trial led by researchers at the Ca' Granda Ospedale Maggiore Policlinico and the University of Milan found a ...
The Healthy @Reader's Digest on MSN22h
8 Things Your Mucus Says About Your Health
If your mucus is gray or black... …you likely inhaled dark-colored particles, like smoke from a fire or heavy exhaust. Regular smokers can also blow out darker mucus because of the tar or other toxic ...