Methadone acts on the brain receptors to block the craving for heroin.

Just like a ballplayer will pull a hamstring muscle, I had pulled a brain receptor.

The system was discovered through research into marijuana, which works on brain receptors to give users the "munchies."

And then, within minutes, elevated stress hormones interact with brain receptors and shut down the system.

Although the ergotamines work on brain receptors, they appear to be much less specific to those that cause migraines.

But the music bypasses the brain receptors that register auditory pleasure.

The patients, the study found, had fewer brain receptors responsible for transporting iron.

Certain brain receptors also have the ability to alter the behavior of the pleasure center.

In fact, even the sighted cousins of these creatures are thought to use the brain receptor for photoperiod perception.

And overloading on sugary foods may alter the brain receptors that regulate how much we eat.