assighnment

first part 

In general, preventive care refers to measures taken to prevent diseases instead of curing or treating the symptoms. Suggest and explain at least one example of public health measure that can be taken to control childhood obesity at each of the primary, secondary, and tertiary levels of prevention? (you have to explain each prevention levels and give example).

second part

If public health is really so successful, why are people still getting sick and engaging in behaviors that are bad for their health. what do you think are the most impotent problems for public health to address today? on other words, why do we need so many types of health departments, organizations, and sectors to collaborate?