Why should you eat healthy?

we should eat healthy because it can cause bad illness and it not just eating that we shouldn't do it is smoking and drinking because it makes your lungs black and unhealthy also it can cause DEATH if it is that bad and what we should all do is have a balanced diet some people might be addicted to chocolate or sweets but its bad for you and everyone that'swhy we should eat healthy plus sugar levels or salt levels might get high and cause bad stuff (illness)