Ask the Doctor Depression Author:Vincent Friedewald Readers can learn the difference between mood swings and genuine depression and how to read warning signs, such as sleep abnormalities, nervousness, and suicidal thoghts. Dr. Vincent Friedewald's Ask the Doctor series takes a long look at depression, its symptoms, what causes it, and what to do about it. Ask the Doctor series presents access... more »ible medical information in an easy-to-read format.« less