Cannabis can affect the body in many ways. It can provide pain relief and a feeling of calm, but also increase lung irritation, impair memory and judgment, and cause eye redness.
He suggests that researchers cannot and should not categorize cannabis based on its “effects” and biochemical content, as the names “indica” and “sativa” simply refer to the plant’s height, branching, and leaf morphology.
It is also important to note that THC and CBD are only two of the hundreds of chemicals that create the varying effects of different strains of marijuana. The sections below provide more information on these two chemicals.
Cannabis sativa and Cannabis indica are two species of cannabis. Anecdotal evidence suggests indica can makes people feel calmer while sativa can boost a person’s creative energy, but this may be an oversimplification.