No significant increase in breast cancer risk from plasticizing chemicals, study finds

It's the largest study yet on phthalates and breast cancer, but more research is needed.

Screen time for babies and toddlers more than doubles

Unless it's a video chat with Grandma or Grandpa, screens should be off-limits for kids under 18 months.

Teen marijuana use tied to adult depression

New research sheds light on marijuana and mood.

One quick trick to cut down on salt

Most of us eat too much salt. But a low-sodium diet doesn't mean a flavorless one—just follow these steps to keep your meals tasting great.