Methamphetamine addiction has a way of looping back on itself. A rush of pleasure pulls you in, cravings follow, and the brain learns that the drug is the fastest route to reward. Yet scientists still ...

Methamphetamine doesn't just spike levels of the pleasure-inducing hormone dopamine in the reward pathways of the brain—it ...

Social rank regulates methamphetamine-seeking behavior by modulating the mesocortical and mesolimbic dopamine pathways, and winning experiences can remodel these circuits to suppress drug-seeking. In ...

WASHINGTON — The Patriot Act compromise agreed to Friday included a provision to combat illegal methamphetamine by limiting sales of cold remedies used to make the highly addictive drug. A number of ...