Manic-depression: Alternating moods of abnormal highs (mania) and lows (depression). Called bipolar disorder because of the swings between these opposing poles in mood.A type of depressive disease. Not nearly as prevalent as other forms of depressive disorders.anic-depression: Alternating moods of abnormal highs (mania) and lows (depression). Called bipolar disorder because of the swings between these opposing poles in mood.
Quick Answer. Math is crucial to becoming a doctor because doctors use math to determine the right dosage for a drug based on a patient's body type and height. Physicians use mathematical models to conduct medical research.
wikiHow to Become a Doctor. To become a doctor, you must be prepared for at least 7 to 9 years of hard work. You need to obtain a Bachelor's degree first, then attend medical school and take part in rotations, residencies, and exams. Once you complete medical school, choose a specialty and train for it.