This is the most troubling part of the keyword. By 1973, creating a human germ-free from birth was nearly impossible without severe medical need. The only populations available were:
During the early 1970s, the medical and scientific communities were captivated by a series of experiments and observations regarding human development in "germ-free" or gnotobiotic environments. One of the most significant and controversial documents from this era is the , which specifically analyzed children under the age of 14 who were raised in sterile isolation. The Context of 1973 early awakening report 14 and under 1973 germ free
This is a specific field of biology involving animals raised in sterile environments. While active in the 1970s, it is rarely paired with the "Early Awakening" title in literature. This is the most troubling part of the keyword