Dr. David Watts is one of the top biochemists in the country and the co-founder and Director of Research of Trace Elements, Inc., a federally licensed clinical laboratory specializing in Trace Mineral Hair Analysis (TMHA). In this interview, he explains why TMHA is superior to blood tests for detecting heavy metals, what parameters are necessary for accurate readings, and the connection between heavy metal imbalances and the chronic illnesses common in our society today including cardiovascular disease, diabetes, Alzheimer’s, and more.