In 2017, the National Institute of Mental Health found that 2.8% of adults had Bipolar Disorder. Although 2.8% of the population may sound like an insignificant number of people, it actually equates to 7.8 million people. Of the adults with bipolar disorder, 17.1% of the adults did not experience significant impairment in major areas of their life. One criterion for Bipolar II disorder is that the experience of hypomanic episodes does not cause significant impairment to major areas of the ...read more