Answer:
Well, the main factor that affects what food people choose to be in their diet is taste. If something tastes bad, people are much less likely to eat it, as apposed to something that tastes great. You may have heard people (Mainly Children) saying things like "Healthy food tastes bad, but unhealthy food tastes good." This is the problem with the lack of healthy food in people's diets. Another factor of food in diets is social and authoritative pressure. For example, a lot of kids might want to eat a cake every day, but, of course there parents step in and order them to do otherwise. Certain adults would also love to stuff themselves in public and at their own house, but there family, and miscellaneous citizens in public would look and them distastefully, and perhaps give attitude, which would probably discourage the person from eating. Doctors can also even have an affect on people's diet, if someone has a condition, like a stroke for example, a doctor would advise the person to eat certain foods in order to attempt to lower the person's cholesterol.