“Are men talking their reproductive health away?” a 2015 study in the Asian Journal of Andrology asks. There have been “unexplained declines in semen quality reported in several countries,” according to a 2014 review in Environment International. Might cellphones be playing a role? “Radio-frequency electromagnetic radiation [RF-EMR] from these devices could potentially affect sperm development and function,” said the UK researchers behind the review in Environment International. The cellphone industry bristles at the “R-word,” preferring the more innocuous-sounding “RF-EMFs” to radiation. However, it does have a point about “radiation” being used by snake-oil hucksters of “radiation protection” gadgets. Radiation isn’t only found in atomic bomb gamma rays. The warm glow of sunshine on your face is also radiation. The question is: Does the specific type of radiation emitted by cellphones affect male fertility? After the “World Health Organization (WHO) officially declared that “cellphones … [could possibly] cause brain cancer,” many switched to …