1. why do you think that very thin models are often featured in advertisements? 2. if you were asked to create a public service announcement to promote health, what topic would you choose and why? 3. why would it be beneficial to eliminate smoking from high schools?

As you sit in the library with your friend studying for your weekly quiz on the integumentary system, you come upon an article about the hazards of prolonged exposure to the sun's rays. your curious nature leads you to research the subject further. you're fascinated to learn that minimal exposure to the sun allows you skin to manufacture vitamin d, which is important to maintain homeostasis. you also read that although sunscreen can protect you from the ultraviolet (uv) rays of the sun, some medications can actually increase a person's sensitivity to the sunlight.

Based on the chart, what are the three most effective methods to protect against pregnancy?

You should never drive a car if you are a.taking cold medication b. suffering from the flu c. drinking alcohol d. all the above