Factors Influencing the Effects of Drugs

  • Age
  • Gender
  • Dosage
  • Purity and Potency
  • Drug Interactions
  • Tolerance
  • Set and Setting
  • 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
  • Expectationof the drug effect
  • Setting or environment in which the drug was consumed
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