live longer

Now days we now that our healthy life is change becayse of the fast food is a big desies for the body , while we eat it;s cause more fat.
the healthy food is become more expensive and less people eat it which is related to the changies of the routiens of our life.
So why don't we eat less fast food and concentrate on the healthy food.

what is a healthy food?
Is the pure food that is fresh or new and is not contain more fat or chimical liquid.