#addict  someone who is physiologically dependent on a substance; abrupt deprivation of the substance produces withdrawal symptoms
  supertype:  drug_user__substance_abuser__substanceabuser__user  a person who takes drugs
  subtype:  caffeine_addict__caffein_addict__caffeinaddict  someone addicted to caffeine
  subtype:  drug_addict__junkie__junky  a narcotics addict
     subtype:  cocaine_addict__cocaineaddict  a person addicted to cocaine
     subtype:  heroin_addict  someone addicted to heroin
     subtype:  opium_addict__opiumaddict__opium_taker__opiumtaker  someone addicted to opium
     subtype:  withdrawer.drug_addict  a drug addict who is discontinuing the use of narcotics
  subtype:  speed_freak__speedfreak  addict who habitually uses stimulant drugs (especially amphetamines)

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