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A man with long gray hair wearing a brown vest and white shirt speaks with a woman with long brown hair as they both look at various prosthetic limbs.
'Eventually, it becomes you': Inventors of new 'living' knee replacement describe why this tech is desperately needed and how it works Live Science spoke with the developers of a living knee implant that could help more patients in need of knee replacements get them.
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Doctor checking little boy's ears with an otoscope - stock photo
'A landmark moment for the field': FDA approves first-ever gene therapy for inherited deafness A gene therapy made by Regeneron is the first treatment of its kind approved for genetic hearing loss.
A close up of a metal machine with a long needle pointing to a yellow shiny sheet with brass pieces on it.
Scientists invent artificial neurons that 'talk' to real brain cells, paving way to better brain implants Engineers have found a way to fine-tune tiny artificial neurons to fire like real brain cells.

Latest about Health

An air purifier sitting in the middle of a living room

Best air purifiers 2026: Remove pollen, dust, smoke, pet dander and more

By Anna Gora, Lou Mudge last updated

BUYING GUIDE These are the best air purifiers you can buy in every category, from Levoit Core 600S and BlueAir Blue Pure 411i Max to Dyson Purifier Cool PC1.

BUYING GUIDE
An orange cat sitting on a sofa next to an air purifier

Best air purifiers for allergies 2026: Breathe easy this Spring

By Molly Cleary, Anna Gora last updated

BUYING GUIDE These are the best air purifiers for allergies you can buy in every category, from Levoit Core 600S and Molekule Air Pro to RabbitAir A3.

BUYING GUIDE
A woman with dark hair in a pony tail wearing a gray blazer looks at both a laptop and phone both displaying various bar charts.

'Rectal garlic insertion for immune support': Medical chatbots confidently give disastrously misguided advice, experts say

By Kerry Taylor-Smith published

AI chatbots are seduced by misinformation that is delivered in medical jargon, leading them to give potentially dangerous advice.

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Health
A top down shot of a pregnant person wearing a blue shirt and black pants sitting cross-legged on a blue bed, holding an ultrasound in front of them.

Woman born without a vagina or cervix went on to conceive a son naturally

By Lauren Schneider published

A woman's rare condition made it unlikely for her to conceive without reproductive assistance, but in her case, she eventually bore a child without fertility treatment.

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Reproductive Health
a close-up picture of our reviewer's real-time running stats in his Garmin Fenix 8

Best running watches 2026: Premium picks and budget buys

By Lloyd Coombes last updated

BUYING GUIDE These are the best running watches in every category, from Garmin Fenix 8 to Apple Watch Series 8 and Coros Pace 2.

BUYING GUIDE
A woman wearing a blue tank top and jeans with long dark hair holds the arm of an older tan man wearing a gray shirt and a baseball cap as they walk down the street, their backs to the camera

Single protein could dramatically alter trajectory of Alzheimer's disease

By RJ Mackenzie published

In people destined to get Alzheimer's in their mid-40s, one protein can delay the onset of the disease by about 20 years.

Alzheimers & Dementia
Our expert reviewer testing the map feature on the Garmin Fenix 8 smartwatch

Best Garmin watches 2026: From fitness bands to adventure smartwatches

By Andrew Williams, Anna Gora last updated

Buying Guide These are the best Garmin watches you can buy in every category, from Fenix 8 and Forerunner 965 to Venu 4.

Buying Guide
A cartoon image of a brain with waves across the front of it.

In people with epilepsy, sleeping after a seizure may trigger more seizures

By Kamal Nahas published

Epileptic seizures alter sleep by prolonging the stage that's central to memory formation, potentially predisposing the brain to "remember" how to trigger subsequent seizures more easily, a small human study suggests.

Sleep
An illustration of a human body, with the outer layers transparent and the esophagus a bright red.

Making a 'digital twin' of yourself could revolutionize future surgeries, making medical procedures much more personal

By Tia Ghose published

INTERVIEW Live Science spoke with Dr. John Pandolfino, a researcher who designed a "digital twin" to help guide surgery.

INTERVIEW

'It could revolutionize, completely, the way we treat depression': Researchers are exploring promising immune therapy for treating psychiatric symptoms

By Nicoletta Lanese published

INTERVIEW Live Science spoke with the scientists behind an upcoming clinical trial testing an immune therapy for depression.

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INTERVIEW
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