Why 1.4 billion X 76 IQ Ruben said, “We’ve shifted the curve in the population for mental health problems, so that everyone has a greater liability in the mental illness symptoms"

There possibly is a solid unifying reason for mental health disorders in the United States of America, and the reason goes way back. As per a new research, a history of lead in gasoline may be behind tens of millions of mental health conditions in the United States. The new landmark study says that, the lead exposure might have caused millions of Americans to become depressed, anxious, inattentive or hyperactive.

https://www.google.com/amp/s/timesofindia.indiatimes.com/life-style/health-fitness/health-news/lead-in-gasoline-linked-to-150-million-mental-disorder-cases-in-the-us-heres-what-to-know/amp_articleshow/115981910.cms