There are more than 300 million cell phone users in the United States, and some of them have reported symptoms including: Headaches Fatigue Facial Heating Loss of Concentration Insomnia Nausea These symptoms are just the beginning, there are many other possible health risks, including brain cancer, eye cancer, infertility, and DNA damage. Professionals believe there is a link between cell phones and serious health issues such as ADD , ADHD, Autism, Alzheimer’s, and Parkinson’s Disease