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.
Considering Other Attributes. 1  1. Track your bowel movement frequency. A healthy digestive system will result in regular bowel movements. 2  2. Determine stool buoyancy. Healthy feces should slowly drift to the bottom of the toilet. 3  3. Take note of particularly foul-smelling bowel movements. No poop is going to smell pleasant.