Because of the chemical nature of impulse and the axon-dendrite structure. Because of the chemical nature of impulse and the axon-dendrite structure. http://www.biologymad.com/nervoussystem/nerveimpulses.htm (Best technical explanation and excellent graphics and animations)
Newborns may sneeze, and this is typically attributed to the irritation of their nasal passages. The most common irritants, explains Dr. Iannelli, are smoke (and simply smoking outside is not enough), animal dander from pets in the house, dust mites, and mold.
Doctor: SIDS is a worry that most new parents have. And the reason it's called SIDS, or sudden infant death syndrome, is because it's an unexplained death. Narrator: SIDS is scary because it can happen to anyone. There's no sure way to prevent it, but here's what you can do to reduce your baby's risk.Tip one: When you put your baby down to sleep, place him on his back. This is safer than on his stomach or on his side, and is comfortable for your baby.IDS is the leading cause of death for babies between 1 month and 1 year old in the United States. Babies who are younger than 6 months are at the highest risk. Thankfully, there are a number of steps Aisha can take to reduce the risk for her son. Aisha: Hi, Dr. Chung.