The Effects of Cannabis on Male Reproductive Functions

The Volcano Vaporizer will be used to expose cannabis or placebo plants.

Inclusion criteria

• Regular cannabis users (21~64 years-old men) who have used cannabis at least once a week for at least once a year or who have never used cannabis.
• Willingness to abstain from using cannabis on the day of the testing session (minimum 5 hours abstinence).

Exclusion criteria

• Women
• Adult men, 65 or older, and men under the age of 21
• Serious psychiatric conditions (e.g. psychosis, bipolar I and panic disorder)
• Family history of psychosis
• Chronic medical conditions (e.g., heart disease, diabetes)
• History of adverse experiences with cannabis (e.g., anxiety and panic attacks)
• Use of other illicit drugs (not cannabis) in the past 2 months
• Heavy alcohol use (>4 drinks, >4 times/week)
• Smoking/nicotine use
• Infrequent cannabis use (less than once a week for only cannabis users)
• BMI over 34
• Current use of corticosteroids and blood thinners