Mobile phones

Millions of people own mobile phones these days. As mobile phones become more popular you rarely would see or hear some is without a phone . Nowadays majority of people can afford buying a mobile phone. The reasons why we dependent so much on mobile phones, firstly, because using mobile phones is useful, we can carry the phone everywhere we go. Therefore,it's practical. We can keep in contact with others at anytime. For example, we can phone call for help in time of an emergency. If a person has had an accident, they will call the police for help. On the other hand, there are disadvantages of using mobile phone. Even though mobile phones are easy to carry but still it's easy to lose it because of it's size. In addition,  mobile phones can cause many problems. Scientific research said that mobile phones has radioactive waves that can cause cancer and cause damage to the ears. For instance, many people especially teenagers would carry their phones with them to bed and then suddenly fall a sleep while the phone is active and laying right next to them, which later on affects the brain nerves by the radioactive waves and causes sever problems. In conclusion, we all agree that nowadays mobile phones are very important and we can't live without it, but in the same time we shouldn't see the cup half full, where is good there is bad, so people should be aware to side affects of mobile phones.