if i want to use a key word fot this sentence should it be affected or effected : It affects about 1 in a 100 people.
There is not 1 cause of bipolar disorder. People with bipolar disorder are often diagnosed with other mental disorders, like for example anxiety disorders and ADHD. The environment one lives in often triggers certain episodes but the cause is not clear. The most common research results show that genetics, environment and brain structure are possible causes.