Attention, chocolate lovers: You may not be able to help yourselves. Swiss and British scientists have linked the widespread love of chocolate to a chemical "signature" that may be programmed into our metabolic systems.
Read more health news
Manic-depression
Manic-depression: Alternating moods of abnormal highs (mania) and
lows (depression). Called bipolar disease because of the swings between these opposing
poles in mood.