 which caused fatigue, digestive difficulties, low blood pressure. He used Demerol, methadone, barbiturates, amphetamines, thyroid hormones, anti-anxiety medications, and gamma-gubilins. The physician who secretly supplied Kennedy with these drugs was Max Jacobson. The Kennedys called Dr. Feelgood. Kennedy and his aides and family went to great lengths to conceal all this from the American public.