Translate the following English sentence to French:
"And, in comparison with the restrictions we are subject to in the context of mad cow disease, how is it possible that we are doing nothing about the 500 000 smoking-related deaths every year in Europe?"
Et si l'on compare les contraintes que nous supportons dans le cadre de la maladie de la vache folle, comment peut-on concevoir que nous ne fassions rien pour les 500.000 morts du tabagisme par an en Europe ?