Vignette Donna Is a 22-Year-Old College Student on the Tennis

Vignette Donna is a 22-year-old college student on the tennis team. She prides herself on staying in shape but often eats empty-calorie meals when she is in a rush. She knows that some family members have had different kinds of cancer and is curious to find out what steps, if any, she can take to prevent this from happening to her. She visits a reputable site on the Internet and gleans a lot of useful suggestions that she plans on implementing. Let's see if she has learned as much as you already know by answering these questions. The National Cancer Institute estimates that only about 14% of all cancers are associated with

A) genetics and related risk factors.
B) lifestyle factors.
C) environmental factors.
D) dietary factors.