Karl Is Taking a Nutrition Class and Has Decided That

Karl is taking a nutrition class and has decided that his diet needs improvement. He has learned about many different types of foods, nutrients, and health problems associated with diet. Karl enjoys eating some types of vegetables but does not like fruits. A few of Karl's biggest dietary concerns include implementing strategies for losing body fat, increasing dietary fiber, and decreasing his late-night snacking. Karl normally skips breakfast to be able to sleep an extra 15 minutes before running to his first class of the day. His first meal of the day is around 3 p.m. and consists of convenient foods found in the university union such as Chinese food, a burger and fries, or a few slices of pizza and a cola. After his afternoon lunch, he relaxes with friends who often play video or computer games. Around 8:30 p.m. Karl and his friend order takeout or drive to the nearby fast-food restaurant for a tasty meal before starting to study. Throughout his night-time studying, Karl snacks on potato chips, pretzels, and more cola. Karl's bedtime is around 2 a.m.
Karl's favorite foods are hamburgers, pizza, and fried Chinese foods. What is the best strategy to help him implement and maintain dietary modifications?

A) Eliminate all hamburgers, pizza, and Chinese food
B) Start eating only vegetables for lunch and dinner every day
C) Replace one meal a day with a healthier choice, such as a grilled chicken sandwich on whole-grain bread and a serving of steamed vegetables
D) Consume these favorite foods only once a month
E) Stop eating supper with friends because they seem to be a bad influence