List four chemicals that are found in tobacco products and that also have other uses in society. Would you expect any of these chemicals to be healthy for you based on their other uses.

Analyze the impact of the availability of health services in the community and the world. research various school and community health services for people of all ages such as vision and hearing screenings and immunization programs. identify situations requiring professional health services for people of all ages such as primary, preventive, and emergency care.