While the term "germ-free" today conjures images of hand sanitizer and HEPA filters, in 1973, it represented a radical frontier in biological research. The Context of 1973
Using data from controlled laboratory settings, the study found that children in highly filtered environments reached peak cortisol levels much earlier in the morning than those in "standard" environments. The Legacy of the "Germ-Free" Theory early awakening report 14 and under 1973 germ free
The "Early Awakening" Report: Understanding the 1973 "Germ-Free" Study on Children Under 14 While the term "germ-free" today conjures images of
