The body in tone and strengthens the muscles
I could be wrong but I do believe that the answer you are searching for is A: A high-fat diet.
Seth's body mass index amounts to 33.9. He is classified as obese.
Although obese people are frequent victims of diabetes and kidney disease compared to their normal weighted counterparts, these diseases develop less at the age of 18.
Seth's BMI indicates the letter A. He has a slight risk of weight-related diseases.