The wind power development lobby group in Canada, the Canadian Wind Energy Association or CanWEA, funded a research project by the Massachusetts Institute of Technology/MIT on wind turbine noise and health. The “study” contained no”case-control” studies…in fact, the “study” is simply an updated literature review. Not a single person was contacted for the study, and no actual noise measurements were ever done.
A report from the American wind power trade journal reads:

A new Massachusetts Institute of Technology (MIT) study has found no direct link between wind turbines and human health problems.
According to the Canadian Wind Energy Association (CanWEA), which funded the project, the study provides an independent, comprehensive and multidisciplinary review of scientific literature on wind turbines and human health. The report has been peer reviewed and published online in the Journal of Environmental and Occupational Medicine.

The authors will be familiar to many, as they were involved in the previous industry-sponsored review in 2009. Many have testified in tribunals on behalf of the wind power development industry, but “the authors declare no conflict of interest.”