Neuroscience

Neurotransmitter orexin influences pupil size, research shows

The way the brain regulates pupil size is different from previously thought: fundamentally responsible is the neurotransmitter orexin, as researchers at ETH Zurich have now shown. This discovery could well alter our understanding ...

Medications

First no-prescription birth control pill approved in US

US health authorities on Thursday approved the first over-the-counter birth control pill in the country, dramatically widening access to contraception for women in the United States where abortion rights are increasingly ...

Medical economics

Report estimates costs of birth defect-associated hospitalizations

The total estimated cost of birth defect-associated hospitalizations was $22.2 billion in the United States in 2019, according to research published in the July 7 issue of the U.S. Centers for Disease Control and Prevention ...

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