How is the harmfulness of a drug determined?

12/07/2018


The effect/harmfulness that a drug has on a person is determined by many factors. 

The primary factors that influence drug effect are the type of drug and the quantity used and other factors may include: 

  • time taken to consume the drug,  
  • tolerance, 
  • gender, 
  • size and amount of muscle,  
  • other psycho-active drugs in the person's bloodstream, 
  • mood or attitude of the user, 
  • expectation of the drug effect, 
  • setting or environment in which the drug was consumed.
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