Turning to Philanthropy to test halving dose for patients

 



There are four main groups of drugs, divided according to their major effects, plus a few substances that do not easily fit into any category.
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The main categories are:
  • stimulants (e.g. cocaine)
  • depressants (e.g. alcohol)
  • opium-related painkillers (e.g. heroin)
  • hallucinogens (e.g. LSD)

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