The reality is, the way we've used phones and the amount that we've used phones has changed radically in the past five years. When phones were first marketed in the 1990s, it cost, for car phones, $3000 to buy a phone and the average person did not use it that much. They were very, very expensive.

There's an increase in serious weight disorders from cellphone use. And people who don't sleep have serious other consequences for their health that can be associated with it. There may be as well increases in problems with their memory. And all of those things are not as sexy and don't demand as much attention as cancer, but they can be very, very important from a public health point of view.

The younger a cell, the faster it grows, the more vulnerable it is to damage.

Say no to being on-call 24/7 unless you are an emergency responder. Use a speakerphone, use a headset.

There is apparently an epidemic of tinnitus in younger people. Tinnitus is ringing in the ears and it can be disabling. Tinnitus is associated with cellphone use.

Cellphone and other wireless radiation should be classified as a "probable human carcinogen."

In particular, recently Belgium has banned the sale of a cellphone to a 7-year-old. Turkey has banned ads and advertising to children. So has France for children under 12. India has bans in certain areas. In Bangalore, you cannot sell a cellphone to someone younger than 16. So in different parts of the world, they've taken different steps.