Write a summary of the following passage (Max 5-6 Sentences ).

Mobile phone is a great invention of modern science. The consumers of mobile phone are increasing day by day. People are getting benefit. But it is unfortunate that mobile phone sometimes becomes the cause of health hazard specially the children are affected much. Scientists believe that mobile phones cause brain tumours, genetic damage and many other incurable diseases. They belief that invisible uncontrolled radioactivity of the mobile phone causes irreparable damage to human body. They say that government should control radioactive sources . It is true that millions of people are getting benefits from modern cellular telephone but most are blissfully unaware of the danger of it. Doctors say if a user continues his or her conversation more than two minutes, the blood brain barrier’ gets damaged. The blood pressure gets high and Red Blood Cells (RBS) are damaged if a person gets continued exposure to radiation caused by cellular telephone. Using cellular telephone is also harmful to the pregnant women also. So Bangladesh government should have an official ban on using mobile phone by children and pregnant women.