The marijuana plant contains several chemicals that may prove useful for treating a range of illnesses or symptoms, leading many people to argue that it should be made legally available for medical purposes. In fact, a growing number of states (20 as of March 2014) have legalized marijuana’s use for certain medical conditions.
"Spice" refers to a wide variety of herbal mixtures that produce experiences similar to marijuana (cannabis) and that are marketed as "safe," legal alternatives to that drug. Sold under many names, including K2, fake weed, Yucatan Fire, Skunk, Moon Rocks, and others — and labeled "not for human consumption" — these products contain dried, shredded plant material and chemical additives that are responsible for their psychoactive (mind-altering) effects.
Marijuana refers to the dried leaves, flowers, stems, and seeds from the hemp plant Cannabis sativa, which contains the psychoactive (mind-altering) chemical delta-9-tetrahydrocannabinol (THC), as well as other related compounds. This plant material can also be concentrated in a resin called hashish or a sticky black liquid called hash oil.
Every year, the Monitoring the Future (MTF) survey measures drug, alcohol, and tobacco use and related attitudes among 8th, 10th, and 12th graders. Following are facts and statistics about youth substance use from the 2013 MTF report
Use of any psychoactive (mind-altering) drug makes it highly unsafe to drive a car and is illegal—just like driving after drinking alcohol. Drugged driving puts at risk not only the driver but also passengers and others who share the road.
Marijuana is a dry, shredded green and brown mix of leaves, flowers, stems, and seeds from the hemp plant Cannabis sativa. In a more concentrated, resinous form, it is called hashish, and as a sticky black liquid, hash oil. The main psychoactive (mind-altering) chemical in marijuana is delta-9-tetrahydrocannabinol, or THC. Learn more about marijuana
A journal commentary by Harvard researcher and NIDA grantee Bertha K. Madras stresses the importance of a large scale longitudinal study to better assess the effects of marijuana use on human brain development and function. Dr.