Cocaine abuse can have neurological effects such as abusively fighting someone and much more factors that are bad that can really hurt someone deeply.
The answer would be TRUE because going through puberty/teenage years can be early in life like for 12 year olds, or normal time, and even in young adult hood because people's bodies are different so we change at different times, not at the same time.
The structure that forms cranial nerve I is the olfactory nerves while forming the 2nd is the optic nerve. Together with retina and olfactory epithelium, all of them are considered part of the Central Nervous System — wherein they synapse directly to the brain without the aid of any ganglia.
Since narcolepsy is a chronic sleep disorder that causes overwhelming daytime drowsiness, it usually results in overwhelming drowsiness. So, a cause could be not getting enough sleep.