What if someone's work makes them subject to more diseases, like a factory worker ? Should they pay more ? What about people that are not as well educated as y

What if someone's work makes them subject to more diseases, like a factory worker ? Should they pay more ? What about people that are not as well educated as you are, and thus don't know that too much sugar is bad for them ? Should they pay more ? What about overweight people that are from a genetic pool of people that are more subject to this issue ? Sometimes it's hard to know if a disease comes from lifestyle or other factors.