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an illustration of DNA
New CRISPR alternative can 'install' whole genes, paving the way to treatment for many genetic disorders A new gene editor takes advantage of CRISPR-associated proteins to insert whole genes into the genome, scientists report.
An illustration of microbiota in the gut
'Truly miraculous': Common gut microbe shows promise as fatty liver disease treatment Researchers shed light on the "dark matter" of the gut, revealing a species of fungus that could potentially help counter fatty liver disease. The research is in its early days, though.
a close-up of a child eating a cookie
A rare disease that causes insatiable hunger Prader-Willi syndrome is a rare genetic disease that causes poor feeding in infancy but later triggers insatiable hunger.

Latest about Health

How much of your disease risk is genetic? It's complicated.

By Arun Durvasula published

Opinion Environmental factors such as lifestyle and the medications you take influence the effects your genes have on your body — and can clarify how diseases develop.

Opinion

How long can human sperm survive?

By Emma Bryce published

It's a myth that sperm die upon contact with oxygen. In fact, their resilience might surprise you.

Sex

Can weight loss drugs help you drink less alcohol?

By Marianne Guenot published

There is growing evidence that Ozempic and other GLP-1 receptor agonist drugs might help people drink less alcohol, but more research is needed.

Alcohol

US woman dies from prion disease — after being given an infected injection 50 years earlier

By Amy Arthur published

The patient was unknowingly infected with an abnormal protein that causes a rare, fatal neurological disease with no treatment.

Viruses, Infections & Disease
Our expert fitness reviewer testing the YOSUDA bike

Best budget exercise bikes 2025: Sturdy, affordable and fun to use

By Maddy Biddulph last updated

BUYING GUIDE Here are the best cheap exercise bikes to buy in every category, from Echelon Connect EX5 to Yosuda and Zwift Ride.

BUYING GUIDE
Our reviewer testing the Bluefin Fitness Task 2.0 treadmill

Best walking treadmills 2025: An easy way to hit your step goal

By Sam Hopes last updated

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

Buying Guide
Our expert fitness reviewer testing the NordicTrack x22i treadmill

Best treadmills 2025: Top home gym equipment for every runner

By Harry Bullmore, Anna Gora last updated

BUYING GUIDE These are the best treadmills you can buy in every category, from NordicTrack x22i and Mobvoi Home Treadmill to Peloton Tread.

BUYING GUIDE

Does time 'go slower' when you're exercising?

By Clarissa Brincat published

Studies find that people's perception of time really does warp during exercise, and the distraction of racing a rival does not fix this distorted perception.

Exercise
Our expert fitness reviewer testing the Aviron Tough Series Rower

Best rowing machines 2025: Full-body workout in the comfort of your home

By Harry Bullmore, Anna Gora last updated

Buying Guide These are the best rowing machines you can buy in every category, from Concept2 RowErg and Ergatta Rower to Hydrow Wave.

Buying Guide
Bowflex SelectTech 552 adjustable dumbbells being tested by our reviewer

Best adjustable dumbbells 2025: Clutter-free weights for your home gym

By Harry Bullmore last updated

BUYING GUIDE These are the best adjustable dumbbells to buy in every category, from Jaxjox DumbbellConnect and Core Home Fitness to Bowflex SelectTech 552.

BUYING GUIDE
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