This is also true for apples, but if you said "eating an apple every day for 3 years will likely bring other health effects (primarily, obesity and diabetes) th

This is also true for apples, but if you said "eating an apple every day for 3 years will likely bring other health effects (primarily, obesity and diabetes) that will ruin that person's life before the lack of access to medical care gets them" you would probably be mocked. You're not going to get fat from one piece of chocolate a day unless you're already on the edge, and if you're on the edge then it doesn't matter very much that chocolate is what took you over it.