This forum is about wrong numbers in science, politics and the media. It respects good science and good English.
@JamesV -- I am every bit as critical of such studies. The most important part of this article for me was that they demonstrated what I consider a correct analysis of BMI.
There is some hope that when "thinness" is seen as "unhealthy" someone will wakeup and realize the fundamental means of analysis is flawed.
RRs greater than 2.0 don't cause me to get too excited anymore except that they are rare enough to be interesting just because they are so rare.
The recent link between Oral Sex and Oral Cancer taught a most important lesson.
"Be most finicky about who you have sex with... "
Avoiding sex with people who have HPV is the key, NOT necessarily avoiding having oral sex.