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.
Even when you are having a bowel movement every day; how often or how much is not necessarily an indication of a healthy bowel. Many people will have loose bowels one day, stiff bowels the next, a smelly bowel one day, and so on.ven when you are having a bowel movement every day; how often or how much is not necessarily an indication of a healthy bowel. Many people will have loose bowels one day, stiff bowels the next, a smelly bowel one day, and so on.