Paul W. Ewald, a biology professor at Amherst College in Massachusetts, and Gregory Cochran, an independent physicist in Albuquerque, New Mexico, have a new theory about homosexuality: You catch it. Right now their theory is just that—a theory. They do not claim to have proof, and they have not named a particular virus or bacterium as the culprit. Few gay men and lesbians are likely to welcome with Vulcan impartiality the idea that their love lives got their distinctive twist from a germ. But a few other good questions come to mind.
What are Microbes?
What are Microbes?
Microbes and Man is a popularising book by the English microbiologist John Postgate FRS  on the role of microorganisms in human society , first published in , and still in print in Critics called it a "classic"  and "a pleasure to read". The book is structured as follows: . The 4th edition has 32 illustrations, ranging from photographs of microscopic algae , protozoa , fungi , viruses and bacteria , to the macroscopic effects of microbes such as a sulphur-forming lake in Libya and fish killed by bacterial reduction of sulphate in water. The Guardian described the book as "a passionate case for the importance of micro-organisms". In his textbook Essential Microbiology , Stuart Hogg recommends the book to readers who want a general overview of microbes and their uses , stating "there can be no better starting point than John Postgate's classic".
Did a Germ Make You Gay?
Gay bowel syndrome was a medical term first used by Henry L. Kazal and colleagues in to describe the various sexually transmitted perianal and rectal diseases and sexual traumas seen in Kazal's proctology practice, which had many gay patients. After Kazal, the term was used sporadically in medical literature from the s to refer to a complex of gastrointestinal symptoms affecting gay men. The term was first used in the pre-HIV era, by Kazal et al.
We need to use a microscope to see them. The term is very general. It is used to describe many different types of life forms, with dramatically different sizes and characteristics:.