According to Gizmodo article about a health tracking app that can analyzed peoples blood by telling them how old they are, and how old they will be as the years goes on. However, this apps are useful to people, but at the same time, they can harm the body system in different ways. For technology devices that are being use in our body for recording propose are to gain life. However, many technology devices gives people the privilege to have less time going to there doctors for check up. Furthermore, checking the way our bodies works is the best thing to do with our doctor, because we might never know what those devices are giving us. it might me the right check up, but the same times we still need the doctors verification. In my opinion, technology devices are harmful for our body because I think that this device will led people in having skin cancer.