Do Mobile Phones Cause Cancer?

Still people insist on rejecting claims of any health hazards from using mobile phones.
One patient had undergone three operations for clinically diagnosed cancer of the bladder and was in a sad state.
Not so long ago I was able to help a priest who, suffering from cancer of the prostate gland and who had been given up by doctors, is now doing his normal work. Studies have shown that electromagnetic waves that come from your cell phone may be correlated to Brain Cancer. The worlds largest Cell Phone Manufacturers have patented devices to reduce the risk of Brain Tumors, yet they insist on rejecting claims of any health hazards from using mobile phones.