The bipolarity can present from the childhood, from the 8 and 10 years, until people of 45 years. After that age it is very rare for this condition to occur.
Adolescence is characterized by impulsiveness, hyperactivity, indecisions and strange thoughts. All these signs appear a disease. However, psychology and psychiatry have been commissioned to demonstrate that they are actually signs of a normal adolescence.
Stress is a disease that adults suffer in their daily lives, whether for work, large cities and everyday life.
The main symptoms of dementia are memory failure and disorientation.