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The global soda tax experiment

An increasing number of cities and countries have begun taxing sugary beverages. But can raising the price of these drinks really make a dent in obesity, diabetes and other ailments?

The quest for better baby formula

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

The next omics? Tracking a lifetime of exposures to better understand disease

Of the millions of substances people encounter daily, health researchers have focused on only a few hundred. Those in the emerging field of exposomics want to change that.

Curious cure: Human waste

Studies point to the life-saving record of fecal transplants for patients infected with C. diff, despite a recent death. Doctors are now testing the procedure for other conditions.