30 Things You Had No Idea Could Cause Cancer

30. Sleeping with your phone next to your head

Going to tanning salons

Though you might like falling asleep to your favorite podcast, you should make sure to get your phone as far away from your head as possible while you’re sleeping. In 2017, the California Department of Public Health came out with guidelines to minimize people’s exposure to the radiofrequency energy cell phones release, which has been linked to brain cancer. Among their suggestions was “keeping the phone away from the bed at night.”