Agreed, that is a question mark on this study - I think more basic research needs to be done in this area. As you can see from other comments in this tree, man

Agreed, that is a question mark on this study - I think more basic research needs to be done in this area. As you can see from other comments in this tree, many folks think that the science on these matters is settled. As Mark Twain said: “It ain’t what you don’t know that gets you into trouble. It’s what you know for sure that just ain’t so.”