So the saliva argument has been invalidated by scientific experiment. Now there are at least three relevant studies. Some humans suffer from a condition called acromegaly, or gigantism, which is characterized by excessive growth of the head, face, hands, and feet. Two British researchers, D.N. Challacombe and E.E. Wheeler, experimented with IGF-1, exposing human cells taken from the small intestine. This is an important finding.
Cancer is uncontrolled cell division.
This is another important finding. The relationship of IGF-1 to cancer deserves special attention. Biotechnology and the American Agricultural Industry.