According to the National Institutes of Health, the central nervous system is made up of the brain, spinal cord and nerves. The peripheral nervous system consists of sensory neurons, ganglia (clusters of neurons) and nerves that connect to one another and to the central nervous system.iseases of the nervous system. âOf all the diseases of the nervous system, the most common difficulty that people have is pain, and much of that is nerve-related,â according to Dr. Shai Gozani, founder and CEO of NeuroMetrix, a medical device company. âThere are 100 million people who live with chronic pain.â.
Hey when I was pregnant with my first child with on a few days after ovulation I had a heightened sense of smell and a metallic taste in my mouth as well I gagged while brushing my teeth, so yes it can.
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.