Health

Coffee drinking tied to lower risk of suicide

Drinking several cups of coffee daily appears to reduce the risk of suicide in men and women by about 50 percent, according to a new study by researchers at the Harvard School of Public Health (HSPH). The study was published ...

Neuroscience

Researchers find key to keep working memory working

Working memory, the ability to hold a thought in mind even through distraction, is the foundation of abstract reasoning and a defining characteristic of the human brain. It is also impaired in disorders such as schizophrenia ...

Medical research

Newly discovered mechanism can explain increased risk of dementia

Millions of people around the world use proton pump inhibitors for conditions like heartburn, gastritis and stomach ulcers. Researchers at Karolinska Institutet in Sweden now report that the long-term use of these drugs could ...

Neuroscience

Dopamine's yin-yang personality: It's an upper and a downer

For decades, psychologists have viewed the neurotransmitter dopamine as a double-edged sword: released in the brain as a reward to train us to seek out pleasurable experiences, but also a "drug" the constant pursuit of which ...

Neuroscience

Dopamine not about pleasure (anymore)

(Medical Xpress)—To John Salamone, professor of psychology and longtime researcher of the brain chemical dopamine, scientific research can be very slow-moving.

Neuroscience

Researchers clock the speed of brain signals

Two studies featuring research from Weill Cornell Medical College have uncovered surprising details about the complex process that leads to the flow of neurotransmitters between brain neurons -- a dance of chemical messages ...

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