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A better understanding of dopamine could lead to better treatments for neurodegenerative and neurodevelopmental diseases, among others. Kateryna Kon/Science Photo Library via Getty Images

Dopamine is a brain chemical famously linked to mood and pleasure − but researchers have found multiple types of dopamine neurons with different functions

From dopamine hacking to dopamine detoxes, some people have sought to harness this brain chemical to improve their mood and productivity. But it’s far more complicated than that.
Your bladder can signal the brain when it’s full, even while you’re asleep. Happyphoton/iStock via Getty Images

What happens if you need to pee while you’re asleep?

A pediatric urologist explains how the bladder and the brain communicate to wake you up when you need to ‘go’ – and how that communication might break down.
NASA’s UAP study team and newly appointed director of UAP research represent growing efforts to study and declassify UFO-related data. AP Photo/Terry Renn

NASA report finds no evidence that UFOs are extraterrestrial

Months after a military officer made sensational claims about unexplained objects in the skies, NASA released a report loosely outlining a scientific approach for analyzing UAP reports.
Pharmacogenetic testing is a form of precision medicine, using your genes to personalize your care. D3Damon/E+ via Getty Images

Can at-home DNA tests predict how you’ll respond to your medications? Pharmacists explain the risks and benefits of pharmacogenetic testing

Genetic testing can help take the guesswork out of finding the right treatment. For certain diseases. To an extent.
Burlington, en el estado de Vermont, suele considerarse un “paraíso climático”, pero las zonas circundantes se inundaron durante las tormentas extremas de julio de 2023. Education Images/Universal Images Group via Getty Images

¿Busca un “paraíso climático” en EE.UU. alejado del calor y los riesgos de catástrofe? Buena suerte

Incluso los “paraísos climáticos” se enfrentan a un futuro más arriesgado, y las infraestructuras a menudo no se construyen para hacer frente al cambio climático.
As July temperatures soared to triple digits, hundreds of homeless people lived on the street outside Phoenix’s largest shelter. Mario Tama/Getty Images

Shelters can help homeless people by providing quiet and privacy, not just a bunk and a meal

As US cities struggle to reduce homelessness, two scholars explain how planners can reform shelter design to be more humane and to prioritize mental health and well-being.