The Flint, MI water crisis is beyond horrific. Mothers, fathers, and caregivers of all types are still trying to sort out how the mess will harm the health of the estimated 30,000 children. There are no safe levels of lead exposure, according to the Centers of Disease Control and Prevention (CDC), but how fast and ferocious is lead when it comes to our children’s growing brains and bodies?

This infographic from Tech Insider sheds a bit of light on the lasting affects to a child’s brain, heart, hormones and more.