One of our great contributors, an industrial chemist of great knowledge and experience, smart guy, sends this item from the UK Telegraph.
The claim made is stress and cigarette smoking produces more homosexual boy children.
As Milloy would say, this is junkscience because. . .
Observational (ecological) epidemiological studies are plagued by uncertainties and unknowns. Data dredging for a positive association is a constant danger in the biz of mining and dredging for publishable papers that bring money, advancement, grants and publicity.
Suffice it to say, the guy picked subjects that would get him some publicity and how you gonna stop him from getting his next grant?