How many diseases, disorders, illnesses, deformities, etc. are there in the world?
Related to the human body, all of the systems, and including the rare diseases. By systems I mean: Nervous Digestive Endocrine Cardiovascular Respiratory Lymphatic/immune Urinary Reproductive Muscular Skeletal Skin, hair, nails include psychotic disorders as well And include auto-immune, bacterial, and viral disorders too. Include genetics and cancer as one disease. Also include inflammatory diseases too.