👉 Kidhood is a period of childhood in which children are generally considered to be infants, toddlers, or young children. It typically lasts from birth up until about 5 years old. Kidhood can also refer to an age range where a person's physical development and cognitive abilities are still relatively immature compared to their peers. The term "kid" is often used as a pejorative term in certain contexts, particularly among older generations or those who have never been children themselves. However, it has become