Seth is 18 years old, weighs 250 pounds, and is 72 inches tall. Use the formula and chart below to evaluate his weight, and then answer the question.

BMI = Weight (in pounds) ÷ [Height (in inches)]² x 703

BMI categories, general:
Underweight: less than 18.5
Normal weight: 18.5-24.9
Overweight: 25-29.9
Obese: 30 or greater

What does his BMI indicate about Seth's health?