A new study published in the journal Science Signaling has found that an immune system protein plays a central role in the ...

Researchers identified a key molecule that highlights how the immune system is linked to the release of dopamine.

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 ...

Stimulant use is not new. Compounds derived from ephedra have existed for centuries, but modern meth is far more toxic, inconsistently produced and widely available. Widespread exposure to ...

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 ...

ANOKA, Minn. -- For a premature baby born to a woman addicted to methamphetamine, Logan Meir was coming along pretty well. Doctors treating his underdeveloped palate had removed the tracheal tube he ...

Changes in how methamphetamine trafficking is punished under federal law are being proposed this year to bring sentences more ...