They generally eat more when they are older than they did earlier in their adulthood. They generally have diets that contain a lower percentage of fat than do the diets of children in country X. They generally consume more fat than do people of the same age in other countries. They tend to eat more varied kinds of food as they become older.
Most adults in country X consume an increasing amount of fat as they grow older. However, for nearly all adults in country X, the percentage of fat in a person' s diet stays the same throughout adult life.
The statements above, if true, most strongly support which one of the following conclusions about adults in country X?