Societal Perception of Childhood (w/ Krislyn McGettigan)

People generally look at childhood as a fixed thing, but today we're going over the different interchanging elements modern (and not-so) society uses to define what childhood is- as well as challenging the essence of the different elements.

Do you stop being a child just because you've reached a given age?

Why are hard limits set a specific age, as opposed to another?

How does biological development factor in?