We have long been told a simple story about reward: Dopamine is the "wanting" molecule that drives us toward goals, and opioids are the "liking" molecules that provide the hit of pleasure once we get ...

Add Yahoo as a preferred source to see more of our stories on Google. Changes to the Starbucks Rewards program aren’t small. They’re getting a major overhaul, starting with how rewards are structured.

Add Yahoo as a preferred source to see more of our stories on Google. Dunkin' announced in an email to members that they'll be updating their rewards system next month -- and it'll take even more to ...

A treat here and a treat there seems harmless enough. After all, what could go wrong with a little positive reinforcement for good behavior? As it turns out, quite a bit. The research on reward ...

I was a third-year medical student at Northwestern on my ICU rotation the first time I saw a dopamine drip. The patient was pale and motionless, his blood pressure dropping by the minute despite large ...