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The quest for better baby formula

Replicating human milk is no easy feat — nor is separating the science from the hype

New views of a cough: From TB and chronic cough to hope for Parkinson’s

Scientists are revealing new secrets of the reflex that protects our lungs, spreads disease and irritates us all

What can we do about ultraprocessed foods?

Researchers are figuring out the features of these foods that harm our health — and proposing ways ahead

She saw the obesity epidemic coming. Then an unexpected finding mired her in controversy.

Katherine Flegal was a scientist who found herself crunching numbers for the government, until one day her analyses set off a firestorm. What does she make of her decades as a woman in public health research?

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