Smartwatches are great for noticing heart health trends, but a Maryland doctor says users need to understands the technology’s limits and shortfalls and when a visit to your doctor may be needed.

DEAR DR. ROACH: I see smart watches that are advertised to measure heart rates, oxygen saturation, blood pressure, and even glucose levels. Are these things accurate? -- A.K. ANSWER: The quality of ...

Several years before, a wristwatch was capable of only telling the hour. Nowadays, women expect more from this little ...