Is the cause of fibromyalgia both a nature/nurture conundrum?

” There are many other (besides testosterone) behaviour-eliciting hormones fundamental for human well- being, including estrogen and progesterone in females”, Carl Sagan

I have always been wondering why fibromyalgia is more prevalent in women and highly sensitive men. The debate about nature/nurture has not yielded specific answers and for awhile I have thought of it as a moot point. As a nurse/sociologist I have leaned toward the impact of the social environment. But, as some science in human sexuality shows the relationship between levels of testosterone in utero and the extent to which specific traits are manifested after birth, I am even more confused. However, I continue to believe that both what happens to the development of the fetus and afterwards in the environment are both relevant, although to what degree each plays a more significant role may never be known.

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