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
a child during the earliest period of its life, especially before he or she can walk; baby. Law. a person who is not of full age, especially one who has not reached the age of 18 years; a minor. a beginner, as in experience or learning; novice: The new candidate is a political infant. anything in the first stage of existence or progress. of or relating to infants or infancy: infant years.