His theory: "The human intestinal tract is a muscular tube, the mucous membrane of which secretes digestive ferments and the motility of which is largely dependent upon these .
About 50% of all gas victims suffer from either excessive or inadequate motility in the bowel.
Even now, he said, though about half of infertility cases are caused by male factors, such as low sperm count or motility, there are many more tests to evaluate a woman's fertility .