A new study suggests measuring cannabis use in units mdash; similar to how alcohol is tracked mdash; could help identify when use becomes risky.Researchers published their findings in the journal Addiction after tracking the THC habits of more than 150 teens and young adults over a year. They looke d at how likely participants were to develop a cannabis-related illness.The study found young adults were at risk for developing a cannabis use disorder at about 8.3 units of cannabis mdash; roughly the equivalent of one joint of high potency marijuana. Each unit equals 5 milligrams.For teens, the threshold was around half that amount.If a child has been overusing cannabis in any form mdash; joints, vapes, pills or gummies mdash; it may be time to check in with a pediatrician. Free confidential help is available by calling or texting 800-662-4357.Permalink| Comments ...read more read less