Bipolar Disorder: How Many Types Are There?
Bipolar Spectrum Disorder (BSD), previously known as manic-depressive illness, is a brain disorder that causes unusual shifts in mood, energy, activity levels, and the ability to carry out day-to-day tasks. These shifts are more severe than the normal ups and downs that are experienced by everyone.
According to the Center for Disease Control (CDC), BSD affects nearly 4 percent of Americans in any given year and seems to have been increasing over the last few decades. Additionally, BSD is more common in women than men, with a ratio of approximately 3:2. There is no one cause of BSD, although research indicates it does run in families.
There are, in fact, at least four distinct types of BSD: bipolar I disorder, bipolar II disorder, cyclothymic disorder, and bipolar disorder not otherwise specified. The distinction between the types is related to the severity of the symptoms – some people suffer with mild mood swings while others have trouble staying out of hospitals or jails.
Some of the core symptoms often associated with BSD includes periods of:
- Abnormally elevated, depressed, or anxious mood
- Decreased need for sleep, feeling energetic on dramatically less sleep than usual
- Grandiose notions, ideas or plans
- Increased talking or pressured speech
- Too many thoughts racing though the mind
- Markedly increased energy
- Hypersexuality or hyperreligiosity
- Poor judgment that leads to risk-taking behavior
- Inappropriate social behavior
- Irritability or aggression
- Delusional or psychotic thinking
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