Can Fitness Trackers Really Make You Healthier?

From smartwatches to rings, the market for wearable health trackers has exploded in recent years. There are also apps to track your sleep, your exercise, your food intake and more. Can this tracking technology really lead us to make healthier choices? Dr. Leana Wen, an emergency physician and CNN's health and wellness expert, weighs in. Learn more about your ad choices. Visit podcastchoices.com/adchoices