Dementia, epilepsy, Tourette’s syndrome. Its fiercest advocates insist that cannabis will cure whatever ails you, and there’s no shortage of anecdotes to support these claims. But when it comes to peer-reviewed research, facts are harder to come by.
Cannabis plants have more than 100 cannabinoids. These chemical compounds influence how messages are sent, received and processed by brain cells, and their proportions vary by strain.
Recreational cannabis has been bred to have high levels of tetrahydrocannabinol (THC), a mind-altering psychoactive cannabinoid which can also have health benefits, such as improving mood and appetite.