Vegetable cooking linked to tooth decay

Cooking vegetables in different ways could cut down on tooth decay, scientists have claimed.

Certain methods of cooking them can make vegetables as acidic as fizzy drinks, according to a new study.

Researchers at Dundee's dental school made the discovery while experimenting with the vegetarian dish ratatouille.

They found that, compared with stewing, oven-roasting significantly increased the acidity of vegetables such as green peppers, aubergines and courgettes.