Health & Medicine
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BrainMarijuana use may affect decision-making areas in teen brains
Marijuana use during adolescence may damage decision-making areas of the brain, according to a new study in rats.
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EnvironmentHere’s the science you loved in 2018
When our readers read about science, they want to read about research that hits close to home, like smartphones, chocolate, vaping and more.
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EnvironmentICYMI: 2018’s top science offerings
From gene-edited babies to firenados and lavanados, this year offered both stunning news and curiosities in the world of science and research.
By Janet Raloff -
Health & MedicineWhat makes Aquaman special? He can take a lot of pressure
The new Aquaman movie makes life under the sea look pretty glamorous. In fact, we puny humans probably couldn’t take the pressure.
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Health & MedicineKeeping an irregular schedule may change how many calories you burn
Our daily cycle of calorie burning is one of many body processes that follow a biological clock.
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Health & MedicineSilver nanoparticles help fight brain-eating amoebas
Nanotechnology may be — quite literally — a silver bullet for these microscopic monsters.
By Dan Garisto -
Health & MedicineSleepless nights can leave brains feeling anxious
Pulling an all-nighter boosts anxiety levels — and changes brain activity — the next morning, a new study finds.
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BrainZaps to spinal cord help paralyzed people walk
Sending electrical pulses to the spinal cord can help paralyzed people learn to walk again, new tests show.
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BrainYoung people’s memory improves after stopping marijuana use
Paying teens and young adults to stop using marijuana improved their memory within one week. The results hint that some impairments from pot may be reversible — at least for a time.
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BrainPeople may be literally led by their noses
The brain links people’s senses of nagivation and smell, according to a new study.
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Health & MedicineWhy can’t bugs be grub?
Insects are tasty and nutritious, and raising them is good for the planet. So how can Westerners be convinced to give insects a taste?
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BrainThe immune system has a say in how hard ‘teen’ rats play
“Teen” rats like to wrestle. A new study shows the brain’s immune system might trigger changes that morph this desire for rough-and-tumble play into the calm of adulthood.