Mobile phones have become so popular these days that you cannot think of spending a day without it. Kids love to play games and you keep surfing messages and other application even when it is not ringing. But is this gadget unknowingly driving you towards health problems? Medical experts have found that these phones may bring some harmful effects in the human body's metabolism. According to Mr. Manoj Sharma professor of radiation oncology at the Maulana Azad Medical College apart from cancer constant usage of mobile phone may also lead to fatigue sleep disorder lack of concentration and poor digestion'.