If you're concerned at all and interested in some safety tips (from the California Department of Public Health, page last updated December 2017): https://www.c

If you're concerned at all and interested in some safety tips (from the California Department of Public Health, page last updated December 2017): https://www.cdph.ca.gov/Programs/CCDPHP/DEODC/EHIB/CDPH%20Document%20Library/Cell-Phone-Guidance.pdf https://www.cdph.ca.gov/Programs/CCDPHP/DEODC/EHIB/CDPH%20Do... https://www.cdph.ca.gov/Programs/OPA/pages/nr17-086.aspx https://www.cdph.ca.gov/Programs/OPA/pages/nr17-086.aspx