A wristwatch in recent years has become somewhat old-fashioned and particularly with everyone owning a mobile phone, but the best smartwatches have created a resurgence for watches. Not only can a smartwatch tell the time, but it can tell you how many steps you’re taking but also your heart rate. Smartwatches have become popular among elderly people too, and although they haven’t grown up with technology, wearable technology is helping healthcare professionals better understand health...