human
I've been hearing about the dangers of using cell phones. Is this a real concern?
assistant
It is true that there are some potential health risks associated with using cell phones, such as increased risk of brain tumors and other types of cancer. However, these risks have not yet been conclusively proven. There is also some evidence to suggest that regular use of cell phones may be beneficial in terms of reducing stress and improving mental health. Ultimately, it is important to weigh the risks against the benefits before making any decisions about how often you should use your cell phone.