The Observation That the Incidence of Obesity Has Greatly Increased

Multiple Choice

The observation that the incidence of obesity has greatly increased over a few decades is unlikely to be due to

A) some innate aberration of metabolism.
B) increased exercise awareness of our citizens.
C) rapid changes in the gene pool.
D) smaller portions provided by fast-food restaurants.
E) the fact that we require fewer calories as we get older.