Numerous references to lead exposure and behavioral problems similar to ADHD (hyperactivity, inattentiveness, distractibility) have occurred in medical literature for at least twenty years. In addition, experts have long known that elevated blood lead levels may cause learning problems and lowering of an affected child’s IQ, further causing these kids to be diagnosed and labeled as ADHD.
But… now, things have changed. Not only does a study published in the December 2009 issue of the medical journal Pediatrics link lead exposure to ADHD, but surprisingly additionally links the use of tobacco during pregnancy to ADHD in children ages 8 to 15.
Dr. Tanya Froehlich and fellow researchers in the department of pediatrics at Cincinnati Children’s Hospital Medical Center and other associated medical centers analyzed data on 2,588 children obtained from the 2001-2004 National Health and Nutrition Examination Survey dealing with lead exposure, prenatal tobacco exposure and subsequent diagnosis of ADHD. In the study, kid’s lead levels were assessed by blood testing and use of tobacco or cigarettes during pregnancy was measured by question-reporting. Of those kids surveyed, 8.7% met ADHD diagnosis criteria.
What they found:
· Children and adolescents known to be exposed to tobacco during their pregnancy were 2.4… Read the rest