I'm actually curious to see this movie now. They only mentioned 2 health issues. The first seems to be turbines built too close to houses so that the shadow of the blades creates a strobe light effect. The other issue is the noise. The one woman said it sounded like the noise was actually emanating from her bedroom walls. What she meant was that you can't just close the window to get rid of it. It's the type of sound that just permeates through everything. So it seems more like the type of thing that will slowly drive you insane than actually give you cancer.
I kind of got the impression that the movie is move about these green energy producers not fully informing people of what to expect. They didn't know the turbine was going to be so massive that the blades would cast a shadow on their kitchen window or that while they don't mind them too much (especially for the money they make off them) their neighbour across the street now hates them.
Seems like the movie is more about wind farms in the US being placed in an area with small family farms that are close together. The trailer even mentioned something to the effect of this not being like out in the desert where they have 16,000 acres.
Forty two.