New Scientist, February 9th, Page 32. In an article on fecundity and the adviseblity of much and frequent sex - (that's got em rushing to the NS website) in the penultimate para it mentions MS. This is one of those obscure references that seems to me will prove, in time, be way out of proportion to it's apparent appropriateness now.
it refers to the protein TGF beta - no I never heard of it before either.