It's perfectly safe! There's no concern about the coating dissolving in acid or alkaline foods.
As far as I am aware, the Daily Mail scares about Teflon and similar non stick coatings revolve around:
- The coating may flake off if you stir the pan roughly with a metal implement, so you'll actually eat it.
- One of the chemicals used in the bonding, and traces of which remain under the coating, is carcinogenic and may be released if the pan boils dry and overheats.
On the first scare, since Teflon is extremely stable, it'll not do any harm even if you do swallow it. And surely no-one would buy an expensive Teflon pan and then be so careless as to scratch the surface off with a metal spoon or spatula!
On the second, if a pan overheats and starts to smoke, don't breathe the fumes!
