Carmarthenshire has the highest childhood obesity levels in Wales with 30.5% of 4-5 year olds being overweight or obese.
Sir Gaerfyrddin sydd â'r lefelau gordewdra yn ystod plentyndod uchaf yng Nghymru gyda 30.5% o blant 4-5 oed dros bwysau neu'n gordewdra.