The Chief Medical Officer for Wales is warning that we might need to consider new legal rules to control the size of fizzy drinks and food portions.
The move is being suggested as a way of stopping obesity levels reaching epidemic proportions.
Our correspondent Richard Morgan has more.
More top news
All primary and secondary schools in Wales have been categorised in a new colour-coded system. Is your school green or red?
A yellow warning for snow and ice on Thursday night and Friday has been issued.
Some wintry showers and staying windy with a significant wind chill and widespread frost developing