Lead exposure is harmful at any age, but it’s especially dangerous for kids younger than 6, whose brains are still developing. A child exposed to lead may look healthy, but health problems linked to lead exposure, like brain damage, hearing problems, kidney dysfunction, anemia, headaches, reduced IQ, behavioral issues and seizures, can kick in 5, 10 or 15 years in the future.
Article source: https://www.huffingtonpost.com/entry/diagnosing-gentrification-health_us_5a7c3af9e4b0c6726e0fd9ec?utm_hp_ref=new-york-city