Probably 3% of the population, like anywhere else.
alot
2.5 thousand
There is no registration required for any mental illness/disorder. So none.
This is not within the criteria of what qualifies being diagnosed with Bipolar Disorder. I have Bipolar Disorder and have known many other with the disorder. Obsessive Compulsive Disorder is a possible category for someone who you see as a "health freak".
The Mind organisation in the UK is one of many charities that help young people with a diagnosis of bipolar disorder. It has many centres where support is offered as well as drop-in sessions with other people in similar situations.
There are many websites devoted to bipolar disorder. A good starting place (in the UK) would be the Mind website, and for young people the Young Minds site which both have comprehensive coverage of this disorder.
I hope you meant "cure." Bipolar disorder is incurable, but, however, there are medications that do help control many of the symptoms.
The causes of bipolar disorder have not yet been precisely determined; however, genetics seem to play a large role. 80-90% of people diagnosed with bipolar disorder have a family history of either bipolar or major depression. However, this does NOT necessarily mean that someone with such a family history will inherit the genetic predisposition of the disease, or if they do, it will eventually develop into symptoms. The inheritance of bipolar disorder is not simple - it involves many genes, some of which are still being discovered and researched.
Not until various medications have had an adequate trial. Many people with Bipolar disorder can lead productive lives with the help of medications and therapy. Education about the disorder can also be quite helpful.
There are many different types and symptoms of Bipolar Disorder. The biggest symptom that people tend to notice are the unpredictable mood swings, that can range anywhere from mild to severe.
Speaking for residents of the United States, currently the biggest demographic that suffers from bipolar disorder and depression are adult women. They suffer from some form of bipolar disorder three times as much as men.
There are so many . . . I can think of bipolar disorder, depression, disassociation disorder, panic disorder, personality disorder, asocial disorder among the many.