This document discusses vaccines, the environment, and children's health. It provides biographical information about Dr. Louis Lee and his credentials. It then discusses various topics related to vaccines and children's health, including common allergens, heavy metals in the environment and vaccines, mercury in dental fillings and vaccines, and autism rates and potential environmental triggers. It analyzes the differences between ethylmercury and methylmercury and compares mercury exposure from vaccines, fish, and EPA safety limits. In summary, the document examines the relationship between vaccines, environmental toxins, and children's health.