You may have heard rumors that Bluetooth headphones can cause cancer.
To date, the evidence supporting these claims is weak.
In the brain, excessive exposure to ionizing radiation can lead to the formation of a tumor called ameningioma.
Bloom Productions / Getty Images
By comparison, X-rays emit frequencies ranging from 30 petahertz to 30 exahertz.
That is roughly 1 million to 1 billion times the frequency emitted by cell phones.
Even so, some public health authorities are reluctant to give the “all-clear” sign.
Foster K, Moulder J.Can Wi-Fi affect brain function?.
2019 Aug 13;7:223. doi:10.3389/fpubh.2019.00223
Centers for Disease Control and Prevention.
National Cancer Institute.Cell phones and cancer risk.
2019;171:581-592. doi:10.1016/j.envres.2018.09.015
Berger M, Yang Q, Maier A.
In:Medical Imaging Systems: An Introductory Guide [Internet].
Cham (CH): Springer; 2018.
World Health Organization.IARC classifies radiofrequency electromagnetic fields as possibly carcinogenic to humans.
