▁theories ▁about ▁" m ole cular ▁disease " ▁and ▁recent ▁develop ments ▁in ▁mole cular ▁evolution . ▁ ▁He ▁critic ized ▁the ▁design ▁of ▁studies ▁that ▁did ▁not ▁find ▁positive ▁results ▁for ▁vit amin ▁C ▁m ega - d ose ▁treatment , ▁and ▁promoted ▁those ▁that ▁did . ▁ ▁He ▁and ▁other ▁vit amin ▁C ▁advoc ates ▁thought ▁the ▁vit amin ▁boost s ▁the ▁body ' s ▁ability ▁to ▁fight ▁all ▁kinds ▁of ▁in fection . ▁ ▁By ▁ 1 9 7 0 , ▁after ▁following ▁Stone ' s ▁reg imen ▁for ▁ 4 ▁years ▁and ▁studying ▁and ▁deb ating ▁the ▁issue ▁extens ively , ▁Paul ing ▁was ▁sure ▁enough ▁that ▁organized ▁medicine ▁had ▁it ▁wrong ▁that ▁he ▁wrote ▁Vit amin ▁C ▁and ▁the ▁Common ▁Cold ▁to ▁popular ize ▁his ▁vit amin ▁C ▁message . ▁ ▁In ▁ 1 9 7 0 , ▁he ▁found ▁an ▁in - depth ▁ 1 9 4 2 ▁study ▁from ▁public ▁health ▁research er ▁at ▁the ▁University ▁of ▁Minnesota , ▁" V it am ins ▁for ▁the ▁Pre vention ▁of ▁C olds ", ▁which ▁became ▁a ▁foc al ▁point ▁for ▁his ▁subsequent ▁criticism ▁of ▁what ▁he ▁saw ▁as ▁fla wed ▁vit amin ▁C ▁research . ▁ ▁One ▁chapter ▁was ▁added ▁to ▁the ▁second ▁edition ▁in ▁ 1 9 7 1 . ▁ ▁By ▁ 1 9 7 6 , ▁following ▁confront ations ▁with ▁research ers ▁holding ▁to ▁the ▁main stream ▁view ▁of ▁vit amin ▁C , ▁Paul ing ▁expanded ▁the ▁book ▁to ▁include ▁evidence ▁related ▁to ▁a