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Science & SocietyThe science of CBD lags behind its marketing
Editor in Chief Nancy Shute discusses the lack of scientific research on CBD.
By Nancy Shute -
TechReaders respond to classroom robots, soil erosion and more
Readers had comments and questions about robots in classrooms, benzodiazepines and more.
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Science & SocietyThe CBD boom is way ahead of the science
As CBD-laced foods and health products gain popularity, researchers are just beginning to fill the gaping holes in knowledge about this cannabis molecule’s benefits.
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Health & MedicineEpileptic seizures may scramble memories during sleep
Overnight seizures seemed to muddle memories in people with epilepsy.
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Health & MedicineSperm with damaged DNA may cause some repeat miscarriages
An analysis of semen from men whose partners have experienced multiple miscarriages revealed abnormalities, a small study finds.
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Health & MedicineA single sweaty workout may boost some people’s memory
Memory improvements after a short bout of exercise mirrored those seen after months of training.
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Health & MedicineEdibles are tied to more severe health issues than smoking marijuana
Most marijuana-linked cases at a Denver hospital involved weed smokers. But people who ate the drug were more likely to have heart or psych issues.
By Jeremy Rehm -
Health & MedicineSigns of new nerve cells spotted in adult brains
A study finds new evidence that adult brains grow new nerve cells, even the brain of an octogenarian.
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Particle PhysicsHow a proton gets its spin is surprisingly complicated
Pinning down the source of protons’ spin is surprisingly hard to do.
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PaleontologySaber-toothed cats were fierce and family-oriented
New details shift the debate on whether Smilodon lived and hunted in packs, and answer questions about other behaviors and abilities.
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NeuroscienceWomen have a new weapon against postpartum depression, but it’s costly
The newly approved drug brexanolone simulates a natural hormone to alleviate symptoms of postpartum depression.
By Jeremy Rehm -
Health & MedicineU.S. fentanyl deaths are rising fastest among African-Americans
New statistics on fentanyl-related overdoses show troubling increases in deaths among African-Americans, Hispanics and men.