Have you ever noticed how different your ear or head feels after talking on your cell phone? Dr. Nick Begich reveals the findings of studies the cell phone companies don’t want you to know about and they aren’t good. Johhny Cochran, the high profile lawyer for O.J. Simpson, died in 2005 from brain cancer and he was notorious for spending hours on his cellphone. It is interesting to note that his tumor was on the same side he used his cellphone.