A high-mercury fish is proposed for school cafeterias across the U.S.
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Working the night shift disrupts the brain's master clock
In animals, gene therapy boosts cochlear implants' effectiveness
Gene discovery could allow embryo screening. Should it?
This year's flu was much more dangerous for adults than usual
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Phage therapy is sparking interest as an alternative to antibiotics
Southeast Asian temples are a worrisome source of zoonotic illness
Less-than-perfect livers get passed over at surprising rates
Could the notorious stimulant help treat neurological disease?
A simpler method of creating stem cells from adult cells
Models of the human body from throughout history
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Reducing fever can allow flu virus to replicate and increase infection
Nine Swedish women given donor wombs will attempt pregnancy
Testosterone appears to play key role in immune response
Cancer risk and even longevity itself are correlated with height
Children from disadvantaged homes age faster at the cellular level
Stephen Morse is at the cutting edge of monitoring disease
New biological clock reveals body tissues age at different rates
"Float houses" are gaining in popularity — but does the therapy work?
The skinny on why tummies rumble and how we might feed the world
A doctor's urgent evaluation of her stumbling but sober friend
Evolutionary forces explain why the sex ratio sometimes flips
Extreme chemical sensitivity drives sufferers to become nomads
First evidence that healthy lifestyle can undo cells' degeneration
The tiny Faroe Islands aim to be first to sequence all citizens
Hominins have been eating grains for millions of years
Virus rates have been reduced by half thanks to vaccination
Pollution is driving rising rates of asthma, allergies and premature births
The idea that cancer is a modern disease is refuted by the fossil record
Scientists learn how felines trigger such potent allergic reactions
Despite risks, scientists say understanding transmission is critical to prevent flu pandemic
A simple operation fixes type 2 diabetes—now how do we bottle it?
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