Medical research

New strategy to treat brain bleeding

Subarachnoid hemorrhage (SAH)—bleeding from a ruptured aneurysm—leads to delayed cerebral vasospasm (blood vessel constriction) and stroke. SAH morbidity and mortality are high, and therapeutic options are limited.

Psychology & Psychiatry

Researchers find frustration is an additional factor of addiction

A team from The University of Texas Medical Branch at Galveston (UTMB) focused on drug addiction research have pioneered a new way to study frustration as a factor in substance use disorders. The study was published in the ...

Neuroscience

Compounds block stress-enhanced nicotine intake in rats

Stress is a major cause of relapse after people quit smoking. Worrying situations, such as money or relationship problems, can affect neurotransmitter levels in the brain, leading former smokers to reach for a cigarette. ...

Genetics

Overactive enzyme causes hereditary hypertension

A Turkish family from a village near the Black Sea caught the attention of medical researchers in the early 1970s, when a physician discovered that many members of this large family had both unusually short fingers and astronomically ...

Neuroscience

An optimal decision-making strategy emerges from nonstop learning

Unlike machines, the behavior of animals and humans almost always has an element of unpredictability. Countless experiments have shown that our responses to the exact same challenge are sometimes faster, sometimes slower, ...

Medical research

A potential agent for treating preeclampsia

Preeclampsia usually begins after the 20th week of pregnancy. The affected women suddenly develop high blood pressure, they excrete increased amounts of protein in their urine (called proteinuria)—a sign that the small ...

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