If a device is necessary for treating or monitoring a specific medical condition (and not just general wellness), it could be ...

This $350 smart ring tracks more than you'll ever need to (and want to) know without committing to a subscription.

If you have high blood pressure, getting regular exercise is important -- and your Apple Watch makes it easy to check it.

Have you met your step goals today? If so, well done! Monitoring your step count can inspire you to bump up activity over time. But when it comes to assessing fitness or cardiovascular disease risk, ...