Depressant effects of drugs are measured by somatic effects (that is the effects on body systems) and not their effects on mood As such they have nothing at all to do with psychiatric or psychological conditions such as Major Depressive Disorder.
An internal medicine physician is also known as an internist and serves as a Primary Care Physician (PCP). Memorial Hermann Medical Group internal medicine physicians are highly trained and focus on prevention and screening, and work closely with patients to meet all of their healthcare needs. These physicians are board certified and focus on promotion of wellness and early detection of disease.
Internists are qualified physicians with postgraduate training in internal medicine and should not be confused with  interns , who are doctors in their first year of residency training (officially the term intern is no longer in use).he term internal medicine originates from the German term Innere Medizin, popularized in Germany in the late 19th century to describe physicians who combined the science of the laboratory with the care of patients.