Medical experts: Admissions of supposed Obama plot fits user behavior. August 28, 2008— -- One of the men investigated for allegedly threatening presidential candidate Barack Obama's life while ...

Violence associated with psychoactive substance use has long been recognized as a contributing factor in assaults and homicides. Although doctors can’t diagnose a person whom they haven’t personally ...

First, using an addictive substance causes the release of a chemical messenger called dopamine in the reward network, which makes the user feel good. Dopamine release also facilitates a ...