Aconcequence of yo-yo dieting is that

A consequence of Yo-yo dieting are increase in body fat percentage, fatty liver, diabetes, high blood pressure and heart disease.

Explanation:

The type of dieting in which the weight of the body increase and decreases like a yo-yo is called as Yo-yo dieting. In common terms, Yo-yo dieting is called as weight cycling during which the person gains more weight by dieting and then immediately moves to decreasing it again by dieting.

This type of dieting causes the following consequences:

answer; genes dictate the production of specific enzymes, and affected individuals have genetic defects that cause them to lack certain enzymes;