Prescription opioids fail rigorous new test for chronic pain
What's fresh at McDonald's? The beef in some burgers
Can ride-hailing companies cure medical transportation woes?
Dry ice is 'die ice' for New York City's rat population
FDA chief wants more mail inspectors to stem opioid influx
Judge delves into science behind Roundup cancer claim
UnitedHealthcare to pass drug rebates on to some customers
Opioid poisonings, overdoses send more US kids to hospitals
US makes Cuba embassy cuts permanent after 'health attacks'
Worst of bad US flu season finally over as illnesses decline
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