Jay S. Cohen, MD, is an Associate Professor (Voluntary) of Family and Preventive Medicine at the University of California, San Diego. Dr. Cohen is a widely recognized expert on prescription drugs and their natural alternatives. He has published scientific papers in leading medical journals and has written articles for Newsweek, Bottom Line Health, and Life Extension Magazine. A highly sought-after speaker, Dr. Cohen is also the founder of the Center for the Prevention of Medication Side Effects, which offers commentary on current issues in medical care.