This months cannabis science news: rare cannabinoids in non-cannabis plants, ancestral psychedelic use, and cannabis breathalyzers

Cannabinoid exposure during pregnancy shows an increase in newborn mortality and respiratory problems

LC-MS/MS-based cannabis breathalyzer fails to reach statistical significance – but further studies planned

Scientists have discovered rare cannabinoids in non-cannabis plants

Our top cannabis news stories this month: physical and mental health treatments, increase in non-LSD hallucinogens use, and recreational cannabis use

Human hair in the Balearic Islands of Menorca provides direct evidence of psychedelic use during the Bronze Age

Researchers call for additional cannabinoid hyperemesis syndrome treatments as patients question their diagnoses

The link between cannabis-use disorder and schizophrenia is clearer in men than women – and appears to be dependent on cannabis THC concentrations

Our pick of the top news stories over the past month – from new cannabis sources to business relations.

Structural racism in newborn drug testing must be eradicated, says Lauren Oshman