Say Smoking No Forever

The most common form of drug testing is the urine test, which can test for drugs or metabolites (drug residues) in the urine. It is the lowest-cost test, and the various assays used to perform the test can help to ascertain the largest number of illegal substances.

Cannabis is among the very oldest of economic plants providing humans with fiber for spinning, weaving cloth, and making paper; seed for human foods and animal feeds; and aromatic resin containing compounds of recreational and medicinal value.

MARIJUANA users are four times more likely to have depressive symptoms than those who are not users of the drug, and they are also more likely to suffer from suicidal thoughts. Heavy users of marijuana may develop an addiction to the drug, experiencing withdrawal symptoms when they do not use marijuana. Marijuana has an intoxicating [...]

The key psychoactive ingredient in marijuana is a chemical called tetrahydrocannabinol (THC), which is the ingredient responsible for its intoxicating effects. THC is most appropriately described as a hallucinogen.