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.
While it's normal for bowel movements to vary from day to day, they should generally be smooth, well-formed, and be some shade of brown. They should leave the body with no straining or discomfort, have a toothpaste-like consistency, and should look more like a banana than a pencil.