The settings are scattered around your phone and watch. Here's where to find them.

Keeping track of medications and medical history can feel overwhelming, especially if you're caring for yourself and a spouse. Olaf from Valley Stream, New York, put it this way: "I'm 86, just ...

A new longitudinal study of the microbiome from researchers at Harvard and MIT demonstrates how the ubiquity of a smartphone enables research that would have been much more difficult previously. In ...