Réponse :
1 . junk food are not good for people's health because it can cause obesity and people can die from it , we can see that each year people die because of obesity and obesity is causes from eating junk food , tacos , burgers , fast food in general
2 . No i don't think that we have the same problem here in france . i will not say that people in france don't eat junk food but comparing to america there is a big difference , the difference is , american fast food has way more calories than France fast food , because they use a lot of cheese , sauces ect