Marijuana is the most widely used illicit drug in the United States. Delta-9-tetrahydrocannabinol (THC) is the primary psychoactive substance, although the marijuana plant contains many related cannabinoid compounds. Marijuana is generally known by...
That the hemp plant (Cannabis sativa) is used as food initially surprises and confuses most people. The public information system has largely restricted knowledge of hemp to its use for obtaining marijuana (Cannabis sativa), with its leaf content of...
Toxicology Laboratories