Even those of us who know all too well what addiction looks like find it hard to resist the lure of Facebook and other ...

NORAH Mahony started smoking at 11 to fit in at school — and spent decades quitting, relapsing and starting again. Now, the ...

How we learn to predict an outcome isn’t determined by how many times a cue and reward happen together. Instead, how much ...

Another study found that people who smoked weed regularly as teenagers experienced accelerated thinning of the prefrontal ...

Forget everything you knew about practice making perfect. New research shows your brain is actually wired to learn faster ...

New research challenges the assumption that brains learn best through repetition, finding that associative learning relies more on how much time passes between rewards.

Experts view a shift from injecting fentanyl to smoking it as a promising development that could cut overdose deaths and reduce needle-related harms.

More than a century ago, Pavlov trained his dog to associate the sound of a bell with food. Ever since, scientists assumed the dog learned this through repetition: The more times the dog heard the ...

New research, led by experts at the University of Nottingham, has found that smoking prevalence among 12 to 30-year-olds in England could drop below ...

Growing up in a chaotic, violent and abusive household, Ava lived in a state of constant anxiety. Since her mother had been unable to raise her, she lived with her aunt and uncle, who both smoked.