A collection of various belt buckles for a Smart belt on display during the 2019 International CES, at the Sands Convention Center in Las Vegas, Nevada, January 8, 2019. Along with being able to monitor body, health, waist size, overeating and physical activity, it also includes a fall assessment feature that can prevent and predict falls for people who are at risk of falls from health conditions. Photo by James Atoa/UPI