5-year-old's brains are 90% developed. Here’s how to make the most of those years.

“It is your child’s brain — activate and ignite those connections,” and “use it or lose it by age 5” are slogans to live by.
It is daunting to think that a child’s entire future rests so heavily on what happens in their first 5 years of life, including:
Their lifelong physical and mental well-being.
Their ability to form bonds, interact with others and work together in citizenship.
Their feelings toward and performance in school.
Their access to career i