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 also provokes damaging brain inflammation through similar mechanisms.

Heroin is one of the most addictive drugs in the world. It is an opioid that floods the brain with dopamine, a chemical that helps us feel pleasure. This causes a strong feeling of happiness, ...

(THE CONVERSATION) 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 ...