Which type of tissue covers both the internal and external surfaces of the body?

Can someone give me one specific health problem (within unhealthy eating) and explain it. !

Cancer is 100% preventable if you follow all the necessary healthy behaviors. true or false

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.