Five Numbers to Remember about Early Childhood Development (from Harvard University)

Harvard University's Center on the Developing Child released a brief entitled "Five Numbers to Remember about Early Childhood Development". It is from 2009, but still important to read today. The five numbers are:

1. More Than 1 Million New Neural Connections Per Second'
2. 18 Months: Age At Which Disparities in Vocabulary Begin to Appear
3. 90 - 100% Chance of Developmental Delays When Children Experience 6 - 7 Risk Factors
4. 3:1 Odds of Adult Heart Disease After 7 - 8 Adverse Childhood Experiences
5. $4 - $9 in Returns For Every Dollar Invested in Early Childhood Programs

Read the entire brief HERE. There is also a PDF version that you can download. 

Reference:
 
Center on the Developing Child (2009). Five Numbers to Remember About Early Childhood Development (Brief). Retrieved from www.developingchild.harvard.edu