Dopamine—a neurotransmitter responsible for influencing motivation, pleasure, mood and learning in the brain—has experienced ...

Researchers found that cutting the vagus nerve in mice reduced dopamine activity and lessened the frequency of reward ...

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.

Methamphetamine addiction has a way of looping back on itself. A rush of pleasure pulls you in, cravings follow, and the ...

LOS ANGELES — Maybe you'd like to spend time on hobbies or hang out with friends, but nothing feels as exciting and engaging as it used to –– so you just squander another hour on social media. Your ...

Harold Lewis has been fighting drug addiction for years, but only recently started thinking recovery could be fun. The 59-year-old former cook earned small prizes — candy, gum, gift cards, sunglasses ...

Why do so many people struggle to stop drinking, quit smoking, or resist endless scrolling on their phones? Addiction touches millions of lives, yet it's often misunderstood as a personal weakness or ...

Add Yahoo as a preferred source to see more of our stories on Google. Meth, also known as ice, is as addictive as it is damaging. FlashMovie/iStock via Getty Images Plus Methamphetamine doesn’t just ...