Methamphetamine, often simply called meth, is a stimulant that speeds up the central nervous system by boosting levels of dopamine, a neurotransmitter involved in movement and motivation. Prolonged ...

A new study that details trends among psychiatric hospitalizations between 2015-2019 finds that while most hospitalizations did not involve any substances, methamphetamine-related hospitalizations ...

Background: We studied the pharmacology of l-methamphetamine, the less abused isomer, when used as a nasal decongestant. Methods: 12 subjects self-administered l-methamphetamine from a nonprescription ...

Add Yahoo as a preferred source to see more of our stories on Google. A roll of police tape is left on the windshield of Los Angeles County sheriff's vehicle in the parking lot of its training academy ...

A roll of police tape is left on the windshield of Los Angeles County sheriff's vehicle in the parking lot of its training academy in Whittier. (Jae C. Hong / Associated Press) More than a month after ...