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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

Our reviewer testing the Echelon Smart Rower

Best exercise equipment for beginners 2025: Everything you need to start your fitness journey

By Anna Gora last updated

Buying guides This is the best beginner-friendly workout kit you can buy in every category, from Aviron Strong Series rower and Peloton bike to Liforme yoga mat.

Buying guides
BlueAir Classic Pro CP7i air purifier being tested by our reviewer

Blueair Classic Pro CP7i air purifier review: A gentle giant with germ-busting properties

By Anna Gora published

Reviews The Blueair Classic Pro CP7i is the first air purifier with High-Intensity Narrow Spectrum (HINS) lighting — a technology that removes viruses and bacteria using violet-blue light.

Reviews

How are you able to read words without vowels?

By Roberta McLain published

The human brain can make sense of sentences — even when the vowels are missing.

Neuroscience

Can adults grow new brain cells?

By Marilyn Perkins published

Scientists are still debating whether the human brain is capable of growing new cells past childhood.

Neuroscience

Combo of cancer therapy drugs increases mice lifespan by 30%

By Patrick Pester published

A cocktail of FDA-approved cancer drugs, trametinib and rapamycin, boosts the lifespan of lab mice by 30% and might help humans age better, new study finds.

Ageing
The painter Michel Serre's depiction of The Great Plague of Marseille in 1721. The epidemic was the last major plague outbreak in Western Europe, and killed over 100,000 people.

Single gene may help explain the plague's persistence throughout human history

By Ben Turner published

Alterations to a single gene in the plague bacterium's genome have shed light on a method the germ has used to survive and spread through the ages.

Viruses, Infections & Disease

Sleep: Facts about how and why we sleep

By Mindy Weisberger published

Learn facts about sleep, during which the body rests, recuperates and performs essential repairs.

Sleep

The rare condition that makes people unable to smile

By Nicoletta Lanese published

Moebius syndrome is a rare condition that affects several cranial nerves, impairing the muscles that control facial expressions and eye movements.

Health

Cold-water rinses left 'cobblestone' growths in woman's sinuses

By Mindy Weisberger published

A woman developed prominent bumps inside her sinuses, similar to a condition seen in "surfer's ear."

Health

The WHO penned the world's first pandemic agreement — but the US isn't signing

By Nicole Hassoun published

Opinion The U.S. withdrew from treaty negotiations on President Trump's first day in office.

Opinion
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