The toxic that can cause slow growth and iron deficiency anemia that damages the brain and central nervous system is letter A - LEAD. Lead could cause decrease in alertness level, slow mental function and mostly attention decrease. Lead is an unhealthy substance that could cause such diseases.
Avoid smoking and using tobacco products. Be physically active every day. Eat a heart-healthy diet. Keep a healthy weight. Keep your blood pressure healthy. Keep your total cholesterol healthy. Keep your blood sugar healthy.
