The person that has the best qualifications to write a credible article about the rise in obesity rates among children and its association with the consumption of fast food is option B. A pediatrician at a children's hospital who conducted several studies on childhood obesity
Explanation:
A doctor is always better qualified than a mother, a health researcher or a school principal to talk about people health. A pediatrician who has made reserch about childhood obesity in connection with the consumption of fast food has knowleadge and more tools to explain about this issue.
