The main active and commonly known ingredients in cannabis are tetrahydrocannabinol (THC) and cannabidiol (CBD).
Abrupt discontinuation after long-term use may result in withdrawal symptoms. Additionally, chronic use may result in psychological dependence.
Just like alcohol and tobacco, cannabis is not a benign substance and can pose some health risks. Cannabis may not be appropriate if you:
Because there is a lack of studies and long-term data regarding the use of cannabis, the list of situations above is not exhaustive – risk could still arise in other cases.
At any age, your brain functions can be affected by usage of cannabis, including impacts on attention, memory and learning. Because the brain does not stop developing until around the age of 25, cannabis may have negative effects on the brain development of younger people.
Talk to your pharmacist and healthcare practitioner if you have any of these conditions or to find out if cannabis may interact with other drugs and herbal products you are taking.