Do you check your smartphone frequently? Do you feel distracted if your smartphone is not with you? When there’s no wifi or signal for your smartphone, will you get irritated? If you say yes, then you’ve got addiction to smartphones. Smartphone addiction is a phenomenon that causes a lot of troubles to people. In the first place, it may cause some problems to your health, such as visual fatigue, cervical spondylosis, and even neurasthenia. A friend of mine suffers from a serious spine collaps...