The plant cannabis contains hundreds of chemical compounds.
Two that get a lot of attention are:
Effects can be felt within seconds to minutes depending on the way you consume cannabis.
|Ways of using cannabis||When effects could begin||How long effects could last|
|Smoking/vaporizing||Seconds to minutes||Up to 6 hours*|
|Swallowing (food/capsules)||30 minutes - 1.5 hours||Up to 12 hours*|
|Under the tongue||5 - 30 minutes||Up to 12 hours*|
*some effects could last as long as 24 hours
Cannabis can have different effects on the mind. Often, cannabis will cause you to feel “high”, have a sense of well-being, and relaxation. However, cannabis may also cause negative and unpleasant effects including fatigue, confusion, anxiety, fear or panic. Short-term risks of cannabis use are effects on memory and making it harder to learn things, and effects on attention and psychomotor function. Long-term risks of cannabis consumption include permanent harm to mental functioning and risks of depression and anxiety disorders. Smoking cannabis, especially with tobacco, harms your lungs and respiratory system.
Studies have consistently found that the earlier cannabis consumption begins and the more frequently and longer it is used, the greater the risk of potential developmental harms, some of which may be long-lasting or permanent.
Combining cannabis with alcohol or other drugs greatly increases your risk.
Every time cannabis is consumed it can:
Consuming cannabis regularly (daily or almost daily) and over a long time (several months or years) can:
A pregnant woman or breastfeeding mother’s consumption of cannabis can harm her baby.
The chemicals in cannabis are carried through the mother's blood to her baby during pregnancy. They are stored in the fat of breast milk and passed to infants while breastfeeding. Cannabis can harm a baby’s brain development and can affect important aspects of a child’s thinking and mental health later in life.
The smoke from cannabis is harmful and exposure may result in illness in babies and young children.
The human brain is not fully developed until age 25.
THC affects the same machinery in the brain that directs brain development. The higher the amount of THC in cannabis the more likely one is to be harmed.
The risks related to cannabis consumption are higher the younger you are when you start using it. Combining cannabis with alcohol or other drugs greatly increases your risk.