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.
Baby's First Bowel Movements. Article Body. The very first stool your baby passes doesnât smell bad. Thatâs because the black, tarry-looking stuff, called meconium, is sterile. Until the intestines are colonized with bacteria, thereâs nothing to make poop stinky. Donât go bragging about your babyâs odorless poop, however; bacterial colonization begins with the first feeding.