Jassey, DOCoughing up thick, green mucus may mean a bacterial or, less often, viral infection, but that's not always true.

Medically reviewed by Sanja Jelic, MD Mycobacterium avium complex (MAC) is group of organisms causing a bacterial infection that leads to lung disease. MAC is noncontagious and made up of ...

USGBC accelerates and scales transformation of the built environment to minimize climate impacts and enhance the well-being of people, the environment and communities worldwide.

Connecting decision makers to a dynamic network of information, people and ideas, Bloomberg quickly and accurately delivers business and financial information, news and insight around the world ...