Technically speaking the only difference between youth and adults is the matter of age. Youth is a younger human being, typically defined as between the teen years and early 20s. An adult is a human being that has achieved puberty and to some extent maturity. Jul 25, 2014 · The gradual change that parents see come over their teens that signals their maturation into adults is a physical maturation of their brains. Adult brains have a thick coating (essentially white fat) called myelin stretched over and protecting the nerves in the brain.
Feb 02, 2011 · Teenagers vs Adults Teenagers and Adults are two stages of growth of a human being. Both these stages show some differences between them. Teenagers and adults show differences in their characteristics too. A teenager is a person who is between the age of 13 and 18 years. On the other hand any person who is [ ]. may dramatically increase exposure over that in adults. Children’s physical differences also cause them to reside in a different location in the world, i.e. closer to the ground. Pollutants such as mercury, solvents, pesticides are concentrated in.