Search results
Results from the WOW.Com Content Network
To administer the test, a user simply has to mix the chemicals with a particle of the suspected substance; if the chemicals turn purple, this indicates the possibility of marijuana. But the color variations can be subtle, and readings can vary by examiner. It was adopted in the 1950s by the United Nations as the preferred test for cannabis ...
In 2015, the first government standards for testing were proposed in Colorado's legislature, when potency and microbial testing became mandatory in the state. [11] [12] [13] Colorado cannabis testing laboratories, such as AgriScience Labs, are regulated by the Colorado Department of Revenue's Marijuana Enforcement Division and the Colorado Department of Public Health and Environment. [14]
A 2014 collaborative US study of 359 adults with moderate-risk drug use found, that a large number of participants, who reported drug use in the last 3 months, had negative hair tests. The tests were done using an immunoassay followed by a confirmatory GC-MS. For marijuana, only about half of self-disclosed users had a positive hair test.
A marijuana high lasts only a few hours, but traces of tetrahydrocannabinol, or THC, remain in the body for much longer than that. A marijuana high lasts only a few hours, but traces of ...
A cloud of marijuana smoke rises as a clock hits 4:20 p.m. during the Mile High 420 Festival in Denver on "weed day" in 2022. - Patrick T. Fallon/AFP/Getty Images/File
A chemical in marijuana, THC, triggers brain cells to release the chemical dopamine. Dopamine creates good feelings — for a short time. Here's the thing: Once dopamine starts flowing, a user feels the urge to smoke marijuana again, and then again, and then again. Repeated use could lead to addiction, and addiction is a brain disease.
That may not be welcome news to the roughly 1 in 3 Americans who take a multivitamin at least once a month — and who do so despite the fact that researchers have been saying for years that ...
Cannabis concentrate, also called marijuana concentrate, marijuana extract, or cannabis extract, is a tetrahydrocannabinol (THC) and/or cannabidiol (CBD) concentrated mass. Cannabis concentrates contain high THC levels that range from 40% to over 90%, [ 1 ] [ 2 ] stronger in THC content than high-grade marijuana, which normally measures around ...