"The preschool years are a time when we see the highest rate of growth and expansion of the brain". (Getty Images)
If you've ever wondered what's with your preschooler's never-ending need to know why or desire to explore everything, you can blame it on their brain.
Preschoolers are the very definition of dynamite in small packages with their brains that are nearly "three times more active than an adult's" brains.
So says cognitive development and early learning expert Dr Caylee Cook.
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