science paper

What is the difference in “community intervention” and “intervention in the community”? How can health advocates thoroughly address each in, for example, public policymaking of one of the following (choose one and discuss or choose a health concern of your own liking):

1. Youth Violence
2. Asthma in children
3. Walking track and other public access to exercise/fitness
4. Heart disease
5. Lack of availability of health food (in stores, restaurants, etc.)