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an illustration of a sperm entering an ova
Sperm cells carry traces of childhood stress, epigenetic study finds Fathers exposed to high stress in childhood had different epigenetic markers that may affect their offspring, though more research is needed.
A female black widow spider (Latrodectus), hanging upside-down in her web, showing the red hourglass marking.
Diagnostic dilemma: A woman injected herself with venom from a black widow spider Most exposures to black widow spider venom are accidental, but in a rare medical case, the exposure was intentional.
An illustration of tuberculosis bacteria
Massive tuberculosis outbreak sickens dozens in Kansas An ongoing tuberculosis outbreak in two Kansas counties has sickened dozens since January 2024.

Latest about Health

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
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 gyms 2025: Exercise in the comfort of your home

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 photo of a woman holding up a bay leaf from a jar and smelling it

Do bay leaves actually add flavor, or is it all a con?

By Donavyn Coffey published

Some say bay leaves are full of flavor, others call them a fraud.

Food & Diet
Illustration of the structure of a protein in yellow, purple and red against a black background.

1st-of-its-kind database reveals how DNA mutations 'destabilize' proteins, triggering genetic disease

By Emily Cooke published

A new mega-database of half a million mutations may flag new ways of treating genetic disease, scientists say.

Genetics
A hookworm under a microscope.

'Wake-up call' as hookworm parasites that infect pets and people grow drug resistant

By Patrick Pester published

Hookworms that cause deadly dog infection and 'creeping eruption' in humans are growing resistant to drugs.

Viruses, Infections & Disease
Does yoga help you lose weight? Image of a woman sitting on a yoga mat with a dumbbell next to her

How useful is yoga in a weight-loss journey?

By Amy Clarke last updated

REFERENCE Does yoga help you lose weight? We look at whether yoga can help you shed pounds.

REFERENCE
a microscope image of bubble wrap-like tissue

Scientists discover new kind of cartilage that looks like fat-filled 'Bubble Wrap'

By Nicoletta Lanese published

A new study describes a type of cartilage that may have been discovered, forgotten and found again at several points in history.

Anatomy
3D render of signals sent across the synapse of a neuron.

There's a speed limit to human thought — and it's ridiculously low

By Skyler Ware published

Human brains take in sensory data at more than 1 billion bits per second, but only process that information at a measly 10 bits per second, new research has found.

Neuroscience
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