My regular readers know my skepticism about vitamin supplements.  I leap at the chance to bring you news that some vitamin has been tested for some disease and found useless.  So for balance, I have to also report when a well-designed study finds that a vitamin actually helps something. This week’s New England Journal of medicine published a study about the treatment of nonalcoholic steatohepatitis (NASH).  NASH, also known informally as fatty liver, is a condition in which fat is deposited in ...