The chemical methamphetamine hydrochloride is generally simply known as methamphetamine. Common street names for methamphetamine include crank, speed, meth, crystal meth, ice and crystal tea. It has ...

Methamphetamine doesn't just spike levels of the pleasure-inducing hormone dopamine in the reward pathways of the brain—it also provokes damaging brain inflammation through similar mechanisms. Meth is ...

A study in Science Signaling uncovers a sequence of reactions in the brain involving methamphetamine-induced spikes of dopamine and a key signaling protein called tumor necrosis factor-alpha, a ...