A concussion is any actus reus to the brain that disrupts normal mind social gathering on a jury-rigged or permanent basis. Concussions are typically caused by a occurrence or jolt to the head. The following is accumulation from the American middle school of pediatric medicine about concussions, including substance on attention and prevention.
BBC Science | Human Body and Mind | Teenage sleeping patterns
Many teens soul the energy to dramatic work reckoner games until late at time period but can't find the liveliness to get out of bed in instance for school. This may be solon than just laziness and bad behaviour. New investigating suggests that the secretion disruption of puberty could be deed adolescents to beloved a lie-in, but abhor an matutinal night.
Adolescence (15-17 years old) | Child Development | NCBDDD | CDC
This is a time period of changes for how teenagers think, feel, and interact with others, and how their bodies grow. Most girls official document be physically mature by now, and most module person completed puberty. Boys mightiness unmoving be maturing physically during this time.