Health & Medicine
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Health & MedicineÖtzi the mummified Iceman actually froze to death
Ötzi the Iceman, a mummy whose icy 5,300-year-old remains turned up in the Alps in 1991, died of the cold — not murder. That’s the result of new forensic analyses.
By Bruce Bower -
Health & MedicineConcerns explode over new health risks of vaping
A host of brand new studies unearth worrisome health concerns related to teen vaping.
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BrainJust viewing super-size meals can promote overeating
Large portions of food dampen activity in a brain area involved in self-control, a new study shows.
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BrainFood smells better to sleepyheads
People who want to resist junk foods or overeating may want to make sure they get a good night’s rest. Being tired makes the scent of foods more appealing, a new study finds.
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AnimalsAmong mice, scratching is catching — as in contagious
Contagious itching spreads by sight, mouse-to-mouse. Scientists have now identified brain structures behind this phenomenon.
By Susan Milius -
Health & MedicineEarly birds eat better
People who love mornings tend to eat healthier food throughout the day. This could help explain why night owls tend be less healthy overall.
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Health & MedicineLegalizing pot may confuse teens into thinking it’s safe
A growing number of teens think marijuana is no big deal, a new study finds. And that may encourage many to experiment with its use.
By Lela Nargi -
BrainStudy links ADHD to five brain areas
A new international study shows that the brains of children with ADHD are different from those in people without this condition.
By Dinsa Sachan -
Health & MedicineAnalyze This: Zika and microcephaly
Data from pregnant women with Zika in Colombia helped scientists probe whether Zika causes birth defects.
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AnimalsFrog’s gift of grab comes from saliva and squishy tissue
What puts the grip in a frog’s high-speed strike? Quick-change saliva and a super-soft tongue, scientists find.
By Susan Milius -
MicrobesTeen invents a dip to keep germs away
A teen competing in the 2017 Regeneron Science Talent Search invented an eco-friendly chemical mix. It should keep bacteria from growing on treated paper, fabrics — including wound coverings — and more.
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Health & MedicineHibernation: Secrets of the big sleep
Mammals from bears to squirrels hibernate the winter away. Learning how they do it might one day help people mimic aspects of it to heal from brain injuries or voyage to Mars.