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Body & Brain

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human brain

SMART GENES  A large genetic study turns up more genes that may help build intelligence into the brain.

opioid pills

DOCTOR’S ORDERS  Opioids may seem like overkill for an ankle sprain. But some people who visited ERs with the minor injury in 2011 and 2012 were prescribed the drugs, raising questions if some are being needlessly exposed to the potentially addictive painkillers, a new study finds.

map of countries

HEALTH CARE PALETTE  Countries shaded with cooler hues had better health care quality and accessibility in 2015 than those with hotter colors. Researchers created the Healthcare Access and Quality Index to assess each country’s status.

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