Parkinson's pathway: A cellular network linking various regions of the brain may play an important role in the development and progression of Parkinson's disease, research published in the Journal of Experimental Medicine suggests.

WSJ: Exercise Benefits vs. Joint Concerns

After analyzing the data, the Wake Forest Baptist researchers identified the cell signaling pathway by which epinephrine, a hormone also known as adrenaline, sets off the cellular chain reaction that controls cell death.

FORBES: New Study Shows How Stress Feeds Cancer Cells