Medical diagnosis is the process of determining which disease or condition explains a person's symptoms and signs.It basically enables the doctor understand what disease is the patient going through.
Diagnosis is often challenging, because many signs and symptoms are nonspecific and different diseases also have them.
For example, redness of the skin is a sign of many disorders and thus does not tell the healthcare professional what is wrong.
Due to the lack of BRAIN maturity coupled with pressure from peers to conform, teens often take risks without considering whether they are worth the potential rewards or consequences.
Answer:
Diaspora
involuntary departure of a population from their homeland.