A urine test can detect THC for up to 30 days after use. THC is detectable in blood for the shortest time, up to 12 hours, but can stay longer in heavy users. Hair tests show THC use for the longest ...

Many states in the U.S. have legalized cannabis either medically or recreationally, but without legalization at the federal level regulation is left to states, including testing for contaminants and ...

Arizona dispensaries are required to test cannabis products for potency and contaminants. Testing regulations, implemented in 2020, cover potency and contamination from microbials, heavy metals and ...

For decades, police have used breathalyzers to test for alcohol, but they don’t have a reliable tool to measure marijuana use. That could change soon. Researchers are working to develop a breathalyzer ...

PORTLAND, Ore. (KOIN) — Oregon’s cannabis regulators are sounding the alarm on “widespread non-compliance” in the hemp market. Despite the fact that hemp is defined as a cannabis plant with less than ...

At Vibe Cultivators, an indoor cannabis farm in Sacramento, the first thing to hit you is the smell. Earthy, skunky, whatever you want to call it, that is some pungent weed. There are aisles of plants ...