Study finds a 27 percent drop in child mortality in low- and middle-income countries.

Fatty food made mice double their weight — unless they lacked a sense of smell.

The science of healthy eating: not just how to eat healthy but why eating healthy is good medicine.

UC San Francisco study shows mindfulness training may boost other benefits of weight-loss program.

Researchers find that BMI incorrectly labels more than 54 million Americans as "unhealthy."