Our eating habits can be directly linked with certain diseases. Eating foods high in sodium, sugar, cholesterol, and fat everyday for years on end will put you at much higher risk. Diseases such as Type 2 Diabetes, Heart attack, and stroke can all be linked with eating patterns.
So then scientists will have more pressure to find a cure or vaccinate them
It’s D because it’s literally common sense
I think because they want to be with people their age that can relate to tgem
