Long answer: it's just another fear of the unknown, so, no.
Unfortunately, a lot of people continue to suffer from a peculiar form of mass hysteria which has them convinced that invisible wireless internet signals can induce rashes, vomiting, headaches, nausea, and all the rest. One of the biggest cases of this involved a collection of health complaints against a wireless internet tower in Ireland.
Residents of the town of Craigavon claimed all of the usual symptoms. Furthermore, they claimed that these symptoms improved when they left the area. Residents staged protests against the iBurst tower, saying that it "subjects a residential community filled with children to uninvited microwaves from their tower."