▁water ▁and ▁non - tax ed ▁be ver ages ▁increased ▁by ▁about ▁ 4 % ▁on ▁average . ▁Whether ▁the ▁im position ▁of ▁the ▁tax ▁and ▁the ▁resulting ▁ 6 % ▁decl ine ▁in ▁sales ▁of ▁soft ▁drink s ▁will ▁have ▁any ▁meas urable ▁impact ▁on ▁long - term ▁ob es ity ▁or ▁di ab etes ▁tr ends ▁in ▁Mexico ▁has ▁yet ▁to ▁be ▁determined . ▁The ▁authors ▁of ▁the ▁study ▁ur ged ▁the ▁Mexican ▁authorities ▁to ▁double ▁the ▁tax ▁to ▁further ▁reduce ▁consumption . ▁ ▁A ▁ 2 0 1 6 ▁study ▁published ▁in ▁P Lo S ▁Medicine ▁suggested ▁that ▁a ▁ 1 0 % ▁exc ise ▁tax ▁on ▁s oda ▁" could ▁prevent ▁ 1 8 9 , 3 0 0 ▁new ▁cases ▁of ▁Type ▁ 2 ▁di ab etes , ▁ 2 0 , 4 0 0 ▁stro kes ▁and ▁heart ▁attacks , ▁and ▁ 1 8 , 9 0 0 ▁death s ▁among ▁adult s ▁ 3 5 ▁to ▁ 9 4 ▁years ▁old " ▁over ▁a ▁ten - year ▁period . ▁The ▁study ▁also ▁included ▁that ▁" the ▁redu ctions ▁in ▁di ab etes ▁alone ▁could ▁yield ▁sav ings ▁in ▁project ed ▁health care ▁costs ▁of ▁$ 9 8 3 ▁million ." ▁ ▁A ▁ 2 0 1 7 ▁study ▁in ▁the ▁Journal ▁of ▁N ut r ition ▁found ▁a ▁ 6 . 3 % ▁reduction ▁in ▁soft ▁drink ▁consumption , ▁with ▁the ▁greatest ▁redu ctions ▁" am ong ▁lower - in come ▁households , ▁residents ▁living ▁in