Mobile can heat your brain:

How long calls on mobile can effect your brain:

1 Egg
2 Mobiles
65 minutes of connection between mobiles.

Initiated the call between the two mobiles and allowed 65 minutes approximately...
During the first 15 minutes nothing happened;
25 minutes later the egg started getting hot;
45 minutes later the egg is hot;
65 minutes later the egg is cooked:

Conclusion: The immediate radiation of the mobiles has the potential to modify the proteins of the egg. Imagine what it can do with the proteins of your brains when you make long calls.