Valid studies I'm unaware of, but there have been lawsuits. Of course, there always are because we have so many shysters in need of employment:
I'm so glad I quit two weeks ago. Now I don't have to get lectured by everyone about what's in my best interest.
Wasn't there a study done about the risk of cell-phones and brain cancer? Off to google I go...
Valid studies I'm unaware of, but there have been lawsuits. Of course, there always are because we have so many shysters in need of employment: