The science of gerontology has evolved as longevity has improved. Researchers in this field are diverse and are trained in areas such as physiology, social science, psychology, public health, and policy. A more complete definition of gerontology includes all of the following:
Smelly bowel movements are caused by the release of gas. when bacteria, bile or acid mixes with food. Depending on the. food you eat, and where in your digestive tract the mixing. occurs, the combinations can produce various types of gas, all. with different smells.
Stool odor is the smell associated with stools, or bowel movements. Stools normally have an unpleasant odor. Stools are formed in the large intestine (colon), which is part of the digestive system.owever, abnormally foul-smelling stools may also be a sign of a disease, disorder or condition. Examples include celiac disease, Crohnâs disease, cystic fibrosis, and intestinal infections.