Marijuana is the dried leaves, flowers, stems, and seeds from the hemp plant, Cannabis sativa. The plant contains the chemical delta-9-tetrahydrocannabinol (THC) and other related compounds. It is used via smoking in a rolled cigarette (joint), pipe or water pipe (bongs).


  • In 2015, more than 11 million young adults ages 18 to 25 used marijuana in the past year.
  • Marijuana is the most commonly used illicit drug in the United States.
  • The consumption of “edibles” or “consumables” has gained popularity in recent years, with cannabis used in sweet and savory foods, candies and drinks.

Short-term effects:

  • Altered senses
  • Altered sense of time
  • Changes in mood
  • Impaired body movement
  • Difficulty with thinking and problem-solving
  • Impaired memory
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  • Champion Center