Some ages of license are actually higher than the age of majority. For example, the age of license to purchase alcoholic beverages is 21 in all U.S. states. Another example is the voting age, which prior to the 1970s was 21, while the age of majority was 18 in most states.
The nervous system is composed of the brain and spinal cord, together known as the central nervous system, and a vast array of peripheral nerves that transmit information to and from these central structures. The nervous system may be damaged by infection, injury, vascular problems, inflammation, and degeneration.
However, they do not respond to stress the way other people do. Under pressure, they may feel (or act) as if they were traumatized all over again.. Often, physical pain functions to warn a person that there is still emotional work to be done, and it can also be a sign of unresolved trauma in the nervous system. Even if one has grieved and processed the emotional impact of a trauma, the nervous system might still unwittingly be in survival mode.