seratonin...is a naturally occuring chemical in the brain. when it gets low....grab some chocolate...it boosts seratonin levels.....endorphins...doesn't that kick in when you're in pain?
SERATONIN!Certain aminos cause you to have better feeling of well being. Serotonin is a chemical that helps maintain a"happy feeling,"and seems to help keep our moods under control by helping with sleep, calming anxiety, and relieving depression.