Identify and discuss key public health challenges. Explain three key concepts or
approaches used within the field of public
health and examine key ethical challenges
that these approaches highlight.

In one paragraph, explain how technology has influenced the perception of body image and weight management in both negative and positive ways. use supporting details in the form of facts, statistics, and examples. in another paragraph, describe an individual healthy weight-management plan. the plan should include specific details about goals, diet, exercise, and evaluative monitoring.