In my previous post, I suggested that regular cannabis use gradually shifts the brain into a new adaptive operating state—one ...

Using cannabis daily reshapes the brain's normal operating state, which persists beyond intoxication and biases the person to ...

A study in mouse models demonstrates how cocaine alters hippocampal function, driving relapse, and identifies a possible therapeutic target. Researchers at Michigan State University (MI, USA), led by ...

Scientists say they've uncovered striking new evidence of how alcohol addiction impacts the brain's learning systems—and how those systems may slowly adapt during recovery—in a new study published in ...

One dose of cocaine leaves a lasting 'scar' on the brain for weeks - and as teen use rises, scientists warn that even ...

Cocaine’s heyday as a party drug may feel like a distant past, but an estimated 5.5 million Americans used the illicit substance at least once in 2019. For some, that use can spiral into addiction — a ...

Researchers at UC San Francisco and Imperial College London have shown that a single dose of psilocybin, the psychedelic compound found in magic mushrooms, causes likely anatomical brain changes that ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American The prevailing wisdom today is that addiction ...