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The Drug Enforcement Administration added furanyl fentanyl, a deadly cousin of the synthetic opioid fentanyl, to its most restrictive list of controlled substances.
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In the dirt of New York City parks, researchers have discovered genetic evidence of bacteria that could lead to new antibiotics, anticancer treatments and other therapeutics, says a study by biologists at Rockefeller University.
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New research shows how our brains make—and profit from—wandering thoughts.
Dan Ariely answers readers’ questions on sleep hygiene, gas lines and holiday deeds.
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More than a year after doctors in Brazil first suspected the Zika virus was behind a wave of babies born with deforming birth defects, a new realization is coming into focus: Even babies appearing normal at birth aren’t necessarily out of the woods.
Increasing calcium through either diet or supplements was equally effective at reducing calcium loss in postmenopausal women, a study found.
Panicked patients are convinced they have Alzheimer’s. More often, the diagnosis is much less dire.
The idea: Outdoor exercise is good for older adults both physically and mentally.
Doctors are steering patients to solutions other than sleep aids



Anne Garrett, an 82-year-old runner, describes her workout and four-day-a-week running regimen, often with the children she meets as an anti-obesity advocate.
Stepmills are replacing traditional StairMasters at gyms as people want tougher, shorter workouts.
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