A lot of people don't know the brain is 85% water, so anything that dehydrates you like caffeine or alcohol is bad for the brain.
Daniel AmenThe '18-40-60 Rule': at 18 you care what everyone thinks, at 40 you don't care what anyone thinks and at 60 you realize no one ever cared about what you thought, they were busy worrying about themselves.
Daniel AmenThe anterior cingulate fires up as the end result of a series of events. First, estrogen levels fall. Meanwhile, serotonin, the feel-good neurotransmitter, also decreases. The deficiency in serotonin causes the anterior cingulate gyrus to fire up. To make things worse, just about this time the PFC tends to quiet down, which is why women may have a hard time focusing and controlling impulses. So we see emotional difficulties, intensified feelings of sadness, and disturbed sleep.
Daniel Amen