Answer to Question 1
Fiber helps protect against colorectal cancer. Vitamin C-rich foods may protect against cancers of the stomach and esophagus. Carotene and vitamin A-rich foods protect against cancers of the lung, bladder, and larynx.
Answer to Question 2
You must explain to her how it tends to be inherited, but more importantly, describe to her the childhood habits that lead to adult health problems, such as type 2 diabetes or heart disease: childhood obesity, lack of exercise, inadequate fiber intake, lack of nutritional knowledge regarding food portions, using food as rewards or celebrations, water needs, and the use of healthy snacks. Discuss at length the parallel increase in childhood diabetes related to the increase of childhood obesity.