Prenatal Exposure to Mercury and Fish Consumption During Pregnancy and Attention-Deficit Hyperacity disorder (ADHD)-Related Behavior in Children. Conclusions Low-level prenatal mercury exposure is associated with a greater risk of ADHD-related behaviors, and fish consumption during pregnancy is protective of these behaviors. These findings underscore the difficulties of balancing the benefits of fish intake with the detriments of low-level mercury exposure in developing dietary recommendations in pregnancy. Read abstract… New Study in Human Environmental Toxicology Journal: Inutero injections of the influenza flu vaccine in the 2009/10 Pandemic season caused a 4,250% increase in fetal deaths according to VAERS data. Read abstract….