In genetics, a mutagen is a physical or chemical agent that changes the genetic material, mutagen can causes cancer. while a carcinogen is any substance, radionuclide or radiation that is an agent...
I am not sure... Although, I suffer majorly from Hemi-Hyper Trophy. I am 13. It is very hard to deal with. Do you have Leukodystrophy oh Hemi-Hyper Trophy?
Environment is your surroundings and religion represents the spiritual side of your life. Depending on how serious you take religion your environment is going to be. :O)