Since 1999, the American opioid epidemic has killed more than half a million people, and the staggering majority have been ...

"I'm not aware of any measure you can make of the human brain where the male and female distributions don't overlap," ...

The opioid epidemic has claimed more than half a million lives in the U.S. since 1999, about three-quarters of them men, ...

Brain cells (magenta) in the reward center of a rat’s brain release dopamine in response to opioids. According to a new study by WashU Medicine researchers, male and female rats with a chronic pain ...

Findings suggest that better understanding of how sex hormones interact with chronic pain could lead to new approaches to addressing the opioid epidemic.

The first time a male rat meets with a female rat he gets a large ... is that it's caused by a dysregulated dopamine system.

Until recently, it was commonly held that the morphologic differences between male and female ... of dopamine – a direct result of the degeneration of dopaminergic neurons in the brain.

Dopamine is an inotropic agent that has vasodilatory effects at low doses. It is a common belief that low-dose dopamine may be helpful in the prevention and treatment of acute renal failure and is ...

The hallmark pathology of Parkinson’s disease is the damage and death of dopamine producing neurons in the brain. Dopamine plays a role in controlling movement, cognition, learning, and mood, ...

The study revealed that acute stress raises levels of 5αR2 -- but not 5αR1 -- in the front region of the brain of male laboratory rats. Female rats, however, showed no such change, highlighting ...