Scientist Kenneth Seaton says there is a link between hygiene and cancer, hygiene and intelligence, hygiene and aging and hygiene and contagious diseases. On this edition, Seaton discusses the relationship between hygiene, health and I.Q. In a provocative one-on-one interview, he explains that a single factor in the blood called albumin can predict the risk of heart attack, cancer and even death and cites a recent report in the Journal of the National Medical Association that confirms the linkage.