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.
The hormonal changes that your body goes through during the second trimester, as well as during the other trimesters of pregnancy, will often affect your senses. This is especially true for your sense of smell. A pregnant womanâs sense of smell becomes highly sensitive during the second trimester, and even before.In fact, some experts believe that the increased sense of smell is, at least in part, responsible for morning sickness.Taste also often changes during pregnancy, often during the second trimester.f all of the senses that change during the second trimester, the sense of smell and the sense of taste seem to be the most pronounced, although changes to the other senses during the second trimester are not uncommon at all.