The American diet has flooded the UK

I keep thinking why do so many UK people appear to have Candida as Diabetes obesity and Cancer are at epidemic levels, then the penny drops 80% of Americans are said to have it. The American diet is in the UK which is a very poor one. We are eating takeaway pizza, burgers and chips and Southern fried chicken in bucket loads. We have to have takeaways now and again as I do not cook at moment and poor diet is being sold to us on the cheap. When we used to eat Indian and Chinese quality food we now eat the opposite