Well, I think what https://news.ycombinator.com/item?id=21311000 describes is the sane approach. Basically a Bayesian inference from the available data and our priors shaped by our understanding of physics, chemistry, biology, higher order effects, etc.
And yes, there are effects of 50-70 GHz EMF on biology, first one is heating, which is completely expected but might cause problems for insects. (But we already blast them with a lot of light at night, a lot of heat from the pavement and our buildings, and a lot of chemicals in the air.) Another interesting one is that cell bacterial division seems to be affected when combined with antibiotics. ( https://news.ycombinator.com/item?id=21261425 )
And yes, there are effects of 50-70 GHz EMF on biology, first one is heating, which is completely expected but might cause problems for insects. (But we already blast them with a lot of light at night, a lot of heat from the pavement and our buildings, and a lot of chemicals in the air.) Another interesting one is that cell bacterial division seems to be affected when combined with antibiotics. ( https://news.ycombinator.com/item?id=21261425 )