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This phase tests whether a vaccine candidate can prevent infection with the COVID-19–causing virus.

�ٺ���Ƶ researchers identify two “on–off switch” cell groups for male mating and aggression.

�ٺ���Ƶ reviews find mounting evidence of health threats posed by endocrine disruptors.

Investigators personalize stroke prevention and treatment with advanced imaging and novel therapies.

New study shows hydroxychloroquine’s success in preventing congenital heart block in newborns.

Study shows how heart attacks, by blocking artery blood flow, trigger a procancer immune reaction.

Dr. Paul E. Oberstein develops clinical trials for pancreatic and other gastrointestinal cancers.

�ٺ���Ƶ study finds that mental health benefits of city parks depend on perceptions of safety.

This trial aims to rapidly identify pancreatic cancer treatments and shorten FDA approval time.

These metals—used to give fireworks their vibrant color—cause damage to human and animal tissue.