A bit off topic, but health and diet is like investing; there are many misconceptions. Hell is not knowing the truth when you think you know.
Think about how and why so many Americans are fat (been to a US airport lately?).
This man can critically analyze information. http://garytaubes.com/
Gary Taubes Lecture:http://www.youtube.com/watch?v=bTUspjZG-wc
What he says works!