The medicinal and psychoactive effects that we associate with marijuana are caused by unique chemical structures called cannabinoids found in the actual plant. To date, there have been 86 cannabinoids identified in nature and others have been synthesized chemically. The major psychoactive ingredient in marijuana is delta-g-tetrahydrocannabinol, commonly referred to as THC (although other naming systems refer to it confusingly as delta-t-THC). Other cannabinoids, in addition to THC, have medicinal or psychoactive elements.

Smoking is the most common forum of administering marijuana, but for those who do not choose to smoke it, there are numerous alternative forms, such as marijuana based products, foods, synthetics, inhalation via vaporizer and more.

Some medicinal properties and benefits of marijuana. Some topics include marijuana's anti- properties as well as being appetite stimulant or treatment for nausea.