Neuroscience

Study finds chronic alcohol use shifts brain's control of behavior

(Medical Xpress)—Chronic alcohol exposure leads to brain adaptations that shift behavior control away from an area of the brain involved in complex decision-making and toward a region associated with habit formation, according ...

Medical research

Bacterial toxins cause deadly heart disease

University of Iowa researchers have discovered what causes the lethal effects of staphylococcal infective endocarditis - a serious bacterial infection of heart valves that kills approximately 20,000 Americans each year.

Vaccination

Pfizer submits data for 3rd dose approval in US

Pfizer and BioNTech on Monday submitted preliminary clinical data to US health authorities as part of their effort to seek authorization for a third dose of their COVID-19 vaccine for all Americans.

Genetics

Why we age: New theories gaining ground

Why do we age? It's a question that has had scientists scratching their heads for decades, but finally, we are starting to get some answers. Here is the story so far.

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