Did you ever thought about Effects of Excessive Smartphone Use? In the present world, it is hard to imagine a day without using a cellphone unless you are on vacation in the midst of nowhere. The number of cell phone users is mounting each day round the world. According to Statista, by 2019 about 2.7 billion people are estimated to use Smartphone devices globally1. And, the statistics of mobile phone usage is predicted to cross 4.68 billion covering about 67 percentages of the global population in 20191.   The Global data of GSMA Intelligence reveals that the total figures of worldwide mobile users has already climbed the benchmark of five-billion2. In Bangladesh 158,438,000 mobile numbers were registered up to February 2019 - nearly 1 per head of the country’s population.