Oh in regards to this^^, yeah most of what he said has been disproven or isn't supported by research. A conventional microwave does not give off high enough energy radiation to damage your DNA even if you were directly exposed to it. Neither has research ever shown a conclusive link between microwave-cooked food and cancer. Some easy googling will show you that
http://www.mdanderson.org/publicati.../issues/2012-july/foodcancerradiationbpa.html
There could be a link between people eating a high amount of microwaved food and cancer, but that link likely has more to do with the types of food they are eating rather than the microwave cooking of that food (i.e., those who use microwaves more may be those who eat more processed foods more often, etc.) - as they say, correlation does not equal causation.
Same goes for living near a microwave tower or manufacturing plant, unless that plant is disposing of toxic wastes incorrectly.
And the athlete getting 10 x-rays a year thing is ridiculous, too. I'm not sure if athletes even get 10 X-rays per year, but your average X-ray is pretty low radiation and while it does technically raise risk of cancer it's pretty minute. I, for example, being someone who has had cancer once already myself (at a young age, too) still regularly get 3-4 X-rays and 3-4 CT Scans (which have MUCH higher radiation output) per year to check that my original cancer has not recurred and to check that no new primary cancer has manifested. Yes, those scans do increase my risk of getting another cancer (as does the fact I've had cancer once already) but it is a very low increase of risk which is deemed an acceptable risk to monitor that I do not currently have cancer.
You'd be surprised how much the average person does not know about cancer, or how much incorrect information they know. Prior to having it myself 3 years ago I knew next to nothing about it. Now I know all too much. I'm even in a Master's program with a psychosocial oncology specialization and am working as a research assistant in a cancer center (the very same one I was treated at).