A new study published in Psychopharmacology investigates the biological phenomenon known as reintoxication in cannabis users.

High levels of THC -- the compound in marijuana that causes a "high" -- may affect how eggs develop and could lead to fertility problems, miscarriages and chromosome issues in embryos, new research ...

Study: Estimating thresholds for risk of cannabis use disorder using standard delta-9-tetrahydrocannabinol (THC) units. Image Credit: Tayler Derden / Shutterstock.com In a recent study published in ...

State of Michigan officials recently chose not to set a per se level of THC in blood or saliva to constitute impairment when driving. As more results on the subject come in, it looks like the state ...

Farmers in the U.S. have grown cannabis since the 1600s — but policymakers are still figuring out how to regulate two famous ...

A bill that would have restricted cannabis potency levels available to purchase for people under 25 could buy has been pulled by its sponsor in the Colorado Legislature. Sen. Judy Amabile, D18, ...

Just read Carl Ochsner’s (4/24/25) cautionary tale regarding chronic cannabis use. There are indeed psychological and somatic medical problems associated with prolonged, heavy use of cannabis; the ...