My previous posts have focused on recognizing and preventing excessive substance use, with an emphasis on providing the latest information about my special interest – cannabis (see 20 Questions to ...

When science first studied addictive behavior individuals who became addicted to a substance commonly were viewed as being morally flawed human beings lacking willpower. Today, that view has changed.

Addiction is a state of severe physical and psychological dependence on certain substances. People living with addiction may have brain differences and often require treatment, but stigma can prevent ...

“When I use a word,” one of 19th century British author and mathematician Lewis Carroll’s characters once said, “it means just what I choose it to mean — neither more nor less.” Though he was a ...