it’s not unusual for up to 25 percent of an infant’s body to be composed of fat.
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In fact, doctors warn parents not to limit fat and cholesterol intake for children between birth and two years of age because they’re undergoing a period of rapid growth and development. Preadolescents are also on Mother Nature’s list for weight gain. During this time, bone and muscle are developing quickly and there’s an influx of necessary hormones to usher the child into adulthood.