Methamphetamine is New Zealand's most harmful illicit drug and wastewater testing shows its use and availability are on the rise. Much of the harm results from reckless and impulsive ...

CHICAGO - The first study to look at methamphetamine's potential lasting effects on children whose mothers used it in pregnancy finds these kids at higher risk for behavior problems than other ...

The highly addictive drug, manufactured almost exclusively by Mexican cartels, is more dangerous than ever. Its use has been surging across the country. Unlike fentanyl, there are no medicines that ...

Violence associated with psychoactive substance use has long been recognized as a contributing factor in assaults and homicides. Although doctors can’t diagnose a person whom they haven’t personally ...