Addiction & Recovery

A recent study finds that when men perceive that there are few women, they'll spend more money. Christie Nicholson reports

Depression and substance abuse modify the same brain circuit

Overstating the dangers of methamphetamine may impede treatment of drug abusers, asserts a review by Columbia University researchers

Experience may contribute to mental illness in a surprising way: by causing "epigenetic" changes—ones that turn genes on or off without altering the genes themselves

Arkansas deploys facilities built to detect chemical and biological weapons to keep tabs on ever evolving synthetic pot products

Molecular mechanism found for controversial 'gateway drug' hypothesis.

An analysis of top-grossing movies from the last decade shows that films with smoking make less money

The King of Pop's doctor, Conrad Murray, is on trial for involuntary manslaughter, but could propofol alone have caused MJ's death? Harvard anesthesiologist Beverly Philip explains what gives this drug such lethal potential

Identification of suspect substances depends on reference materials that are in short supply

A nightcap may force the body to work harder at repair during sleep, making for a less restful night. Katherine Harmon reports

The Canadian Sports Concussion Project announced the results from brain autopsies of four CFL football players. Two of the players suffered from the degenerative disease chronic traumatic encephalopathy. Christie Nicholson reports