Could the people of a culture eat a diet that is normal for their culture if they were following the scientist-designed Kemper diet?

Yes.

Explanation:

Yes, the people of a culture can eat a diet that is normal for their culture if they want to follow the Kemper diet because there are a lot of natural foods are present in the culture. Kemper's diet is heavy on fruits and vegetables and relies on natural foods so the people has a large number of natural foods in their culture so by eating that natural foods they can follow the Kemper diet.

not sure if this is what you'r looking for nnew= nold