December 11th
- American neurologist who was awarded a share of the 2000 Nobel Prize in Physiology or Medicine (with Arvid Carlsson of Sweden and Austrian-American Eric R. Kandel) for their discoveries concerning how drugs affect the brain and recognizing drug addiction as a brain disease.
- Greengard traced the biochemical reactions that occur in nerve cells in response to neurotransmitters such as dopamine.
- Abused stimulants, such as methamphetamine, alter nerve cells’ exposure or reactions to neurotransmitters, which produces feelings of pleasure and leads to addiction.
