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a doctor talks to a woman with cancer
Some early-onset cancers are on the rise. Why? The rates of certain early-onset cancers are on the rise. The reasons are complex, experts say.
a close-up of white pills printed with the words "Tylenol 500"
Scientists finally work out how Tylenol works — 130 years after we started using it According to a new study in rats, a key byproduct of acetaminophen, called AM404, may block pain at the source before it has a chance to reach the brain.
an illustration of a head composed of nested, colorful outlines in a psychedelic style
Ketamine may treat depression by 'flattening the brain's hierarchies,' small study suggests Ketamine leads to increased communication between areas of the brain that don't typically engage with each other, new research suggests.

Latest about Health

Dreo 713S Smart Humidifier being tested by our reviewer

Best humidifiers 2025: Banish dry air from your home

By Sarah Finley last updated

Buying Guide These are the best humidifiers you can buy in every category, from Dyson AM10 and Levoit LV600HH to HoMedics TotalComfort Deluxe.

Buying Guide
New Balance 1080 v14 running shoes being tested on the track by our reviewer

New Balance 1080 v14 running shoes review: One of the best all-rounders on the market

By Kate Carter published

Review New Balance 1080 v14: minor tweaks make an already great all-rounder an even better everyday shoe.

Review
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
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