Pregnancy caused women to lose gray matter, and reshaped the brain’s “default mode network,” a set of brain regions that are most active when the mind is wandering.

NEW YORK, N.Y. (Ivanhoe Newswire) – Coronary bypass surgery is the most common heart surgery in the United States, with over 200,000 procedures done every year. The surgery improves blood flow to the heart by bypassing arteries clogged with plaque. Now, surgeons are performing this procedure in a specialized way and for many patients, that means the heart keeps beating during the entire procedure. Beating Heart Surgery