There is at least something similar for mobile phones

http://www.nrpa.no/dav/32f3b1a9be.pdf

http://ec.europa.eu/dgs/health_food-safety/dyna/enews/enews.cfm?al_id=1581

Quite a bit of scary things published. Cellular 1G to 4G uses lower frequencies than WiFi, cellular generally from 800 MHz to 1.8 GHz, WiFi either 2.4 GHz or 5.1 GHz, so the effects may not be identical. Still, the distances tend to be.

http://www.sciencedirect.com/science/article/pii/S2213879X14000583

http://www.globalhealingcenter.com/natural-health/10-shocking-facts-health-dangers-wifi/

http://www.who.int/peh-emf/publications/facts/fs304/en/

The links above refer to multiple studies.

Thank you Albert!

 If Cellular 1G to 4G uses lower frequencies than WiFi, do this wifi has any adverse effect on health