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 ...

Addiction is one of the most intensely studied conditions in modern medicine, yet even with high‑resolution brain scans and genetic tools, scientists still cannot fully explain why some people get ...

Mental health conditions, like anxiety and depression, currently affect about one in five people nationwide, making them one of the leading causes of disability. While diagnosis and treatment of ...

The new method is designed to focus specifically on pain-related signals, without interfering with normal activity in other parts of the brain. A new preclinical study has identified a gene therapy ap ...

Here’s what you’ll learn when you read this story: Some people can become addicted to taking revenge, says psychiatrist and legal expert James Kimmel. But they can also be rid of the addiction, he ...

Remarkable scientific progress over the past five decades has helped us develop knowledge of how drugs of abuse induce pleasure, reinforce use, and lead to the compulsive self-administration we call ...

Why someone becomes addicted to a substance has long baffled scientists and philosophers. Now leading researchers are getting the clearest picture yet of how addiction works in the brain and body.

For much of the 20th century, scientists believed that the adult human brain was largely fixed. According to this view, the ...

This special edition gathers expert insight on cancer, addiction, sustainability and biotechnology, showing how ...