obesity: Body Mass Index for adultsEncyclopÃ¦dia Britannica, Inc.Obesity was traditionally defined as an increase in body weight that was greater than 20 percent of an individualâs ideal body weightâthe weight associated with the lowest risk of death, as determined by certain factors, such as age, height, and gender.
Define infancy: early childhood; a beginning or early period of existence; the legal status of an infant â infancy in a sentence early childhood; a beginning or early period of existence; the legal status of an infantâ¦ See the full definition
The first, which we may call the stage of infancy, is devoted to the collection of facts: a stage which in all sciences, as in the lives of human beings, persists through all the periods. Next, the stage of adolescence, is that in which the facts are correlated and the subject matter is classified. In the third stage, that of maturity, generalizations are drawn from the correlated facts and even, the crowning test of validity, verifiable predictions are made.