3. cell phones are safe How to control health problems caused by mobile phones. Smart phones makes thing easy. The markets of smart phones

5. Cell phones are dangerous

6. They emit microwaves.

7. They produce heart.

8. You hold the source of the emission close to your brain.

9. The are claims that people have had brain tumors in the exact size, shape and position the antenna on their cell phone.

11. Cell phones are safe.

12. Cell phones use a very, very low level of radio frequency(fro) energy –too low to cause damage.

13. The type of energy emitted is non-ionizing-meaning it doesn’t cause damage to chemical bonds or DNA. Ionizing gamma rays and x-rays can cause cancer when their energy is absorbed by the tissue and chemical bonds are broken, damaging DNA.

18. We can communicate with far people e.g(you can talk to someone who is far away) or even send a message.

19. We can use our smart phones to go to internet.

20. We can do financial stuff with our smart phones.

21. Our smart phones have social network such as twitter and facebook.

22. They can supply us with music, videos and mobile games/application.