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wedd.jpgMarijuana (pot, weed, grass, etc.) is a mixture of dried, shredded leaves, stems, seeds, and flowers of the hemp plant. Marijuana contains over 400 chemicals; 61 are unique to marijuana plant. It is smoked unfiltered and inhaled more deeply than tobacco smoke, which increases exposure to cancerous chemicals. Tar from marijuana smoke contains 50% more cancerous compounds than unfiltered tobacco smoke.

 Short-Term Effects  Long-Term Effects
 Feeling tired and sluggish Impaired or reduced short-term memory

Elevated heart rate

Dry mouth

Bloodshot eyes

Hallucinations and paranoia

Impaired or reduced comprehension

Altered motivation and cognition

Psychological dependence

Alters perception of time, distance, and space

Problems retaining information

Anxiety and panic attacks

Decrease sexual performance

Increase in testosterone levels for women

Increased risk of infertility for women

Decreased testosterone levels and lower sperm count

Enhanced cancer risks

Marijuana can worsen mental health issues such as depression and anxiety


Effects of Exposure during Pregnancy

Several studies have found that children born to mothers who used marijuana during pregnancy exhibit some problems with neurological development.  According to those studies, prenatal marijuana exposure can cause:

  • Altered responses to visual stimuli     
  • Increased tremulousness
  • Problems with sustained attention and memory
  • Poor problem-solving skills


In Canada, possession of marijuana is illegal. Marijuana delays reaction time and affects coordination skills for up to five hours. Operating any motorized vehicle while high is dangerous and a crime.