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an electron micrograph of herpes virus
'Reanimated' herpes viruses lurking in the brain may link concussions and dementia A study using lab-made models of the brain suggests that a herpes virus may be a key link between concussions and dementia risk.
a surgeon's gloved hand holds a tool over a table of surgical tools
Diagnostic dilemma: A surgeon accidentally transplanted a tumor into his own hand In an unusual case, a surgeon developed a cancerous lump on his hand that stemmed from an injury he sustained while performing surgery.
Artist's impression of an HMPV virus.
Viral disease HMPV is on the rise among kids in China — what is it? Health officials have reported a rise in human metapneumovirus (HMPV) infections among children ages 14 and under in China, but the exact magnitude of this uptick is unclear.

Latest about Health

Our reviewer wearing a Fitbit watch

Best Fitbit 2025: Track your fitness with our best Fitbits

By Lloyd Coombes last updated

BUYING GUIDE The best Fitbit wearables available to buy: Tried and tested to provide you with options from simple fitness trackers to feature-packed smartwatches.

BUYING GUIDE
Two female friends running together in a forest – they are looking at each other and smiling wide. The lady on the left has her dark blonde hair up in a ponytail and is wearing a dark gray sports bra with white straps, gray leggings and a fitness watch on her left arm. The lady on the right has tightly cured brown hair and is wearing a pink and red chevron-patterned sports bra, navy blue leggings and a white fitness watch on her left arm.

Best sports bras for running 2025: top picks from Under Armour, Sweaty Betty and more

By Alice Ball last updated

Buying guide The best sports bras for running can protect and support you through a workout. Here are our top picks, tried and tested.

Buying guide
Close up of a young blonde woman, covered in perspiration, frowning, tense and nervous - tinted red.

Diagnostic dilemma: A woman started sweating blood from her face and hands

By Christoph Schwaiger published

A 21-year-old woman was admitted to the hospital after she was bleeding from her face and palms, with no obvious cause.

Health
Microscope image of an adenocarcinoma in the pancreas. Cancer cells can be seen in dark pink and purple concentrated in a blob in the center of the image. Normal cells can be seen in purple dotted about around it with white gaps in the image where no cells are present.

The 10 deadliest cancers, and why there's no cure

By Ashley P. Taylor, Emily Cooke last updated

The deadliest cancers aren't necessarily the ones that kill the most people overall; they're the ones with the lowest survival rates.

Cancer

Woman's sudden hearing loss turned out to be a tick lodged in her ear canal

By Pandora Dewan published

The tick was found lodged in the skin of her left ear canal after a thorough examination by her doctors.

Viruses, Infections & Disease
Best shoes for peloton

Best shoes for Peloton and indoor cycling 2025: Keep those pedals spinning with the best cycling footwear

By Sam Hopes last updated

BUYING GUIDE The best cycling shoes, from Peloton and Shimano RC1, to help you get the most out of your ride.

BUYING GUIDE
A pregnant woman undergoes an ultrasound

IVF may raise risk of certain disorders in babies — and epigenetic 'signatures' in the placenta could explain why

By Jennifer Zieba published

Researchers identified genes that could explain why some assisted reproductive technologies, like IVF, carry a higher risk of growth and metabolic issues in offspring.

Genetics
Best workout equipment for home, tried and tested by Live Science

Best workout equipment for home 2025: Build your own home gym this New Year

By Sam Hopes last updated

Buying Guide Set up your home gym with the best workout equipment for home.

Buying Guide
A CT scan of a head showing a glioblastoma

New treatment for most aggressive brain cancer may help patients live longer

By Stephanie Pappas published

Glioblastoma often kills within months. A new targeted radiation therapy may help patients live longer.

Cancer
A man working in front of a laptop while taking steps on one of the best walking treadmills

Best walking treadmills 2025: Get moving with these handpicked treadmills

By Sam Hopes last updated

These are the best walking treadmills you can buy in every category, from Mobvoi Home Treadmill to Bluefin Fitness Task 2.0 Treadmill.

Exercise
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