Most people feel happy and energized on some days and less so on others. But if these mood changes last for a week or more and are severe—making it hard for you to sleep, stay focused, sweaty palms or difficulty in going to work—it may be a sign of bipolar disorder. Not only can bipolar disorder damage relationships, affect your grades and make it hard to keep a job; it can also be dangerous.
What Happens In Bipolar Disorder
People with bipolar disorder—also called manic-depressive illness—go through extreme changes in mood, energy and behavior. These “mood episodes” can continue for a week or 2, and sometimes longer, with symptoms lasting every day for most of the day. Sometimes people with bipolar disorder become very sad and much less active. They have trouble concentrating, forget things and lose interest in fun activities. They may try to hurt or even kill themselves. This is called depression.
People with bipolar disorder also go through periods of feeling unusually happy. They become more energetic and active than usual. They become impulsive and take great risks. They might do things that make them lose their jobs, their spouse or all their money. This is called mania. “They don’t see the consequences of their behaviors,” explains Dr. Carlos A. Zarate of NIH’s National Institute of Mental Health (NIMH). “Or they do see it but they don’t care.”
Bipolar disorder is fairly common, but it’s difficult to tell exactly how widespread it is. “There are a variety of illnesses that are similar to bipolar disorder, but with less severe upswings,” says NIMH’s Dr. Francis J. McMahon. Researchers estimate that bipolar disorder affects nearly 6 million American adults in a given year.
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Who Are Prone?
Children and teens can also have bipolar disorder. NIMH’s Dr. Ellen Leibenluft, whose work focuses on children, explains that a recent upsurge in diagnoses has led to controversy about whether children with severe irritability, but without clear episodes of mania, are being misdiagnosed as having bipolar disorder. “There really isn’t debate about whether there is bipolar disorder in children,” Leibenluft says. “What’s debated is how common it is.” But the bottom line is that any child diagnosed with bipolar disorder needs help.
Brain Plays An Important Role
One area that seems to play a role in bipolar disorder is deep inside your brain: the amygdala. “The amygdala tells us what in our environment is emotionally important,” Leibenluft says. “It seems to be acting differently in bipolar disorder, in both adults and children. We see an increased activity in the amygdala in response to emotional triggers in the environment.”
Scientists have also been finding clues in genes. “We’ve known for at least 50 years that the majority of bipolar disorder is caused by genes,” McMahon says, “but those genes have been remarkably difficult to pin down.”
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Scientists know that bipolar disorder is largely genetic because of twin studies. When an identical twin has bipolar disorder, their twin, who has the same inherited DNA, also has bipolar disorder 60-80% of the time. Non-identical twins, who share only about half their DNA, tend to share bipolar disorder only about 20% of the time. “That tells us that about two-thirds of the risk for bipolar disorder can be explained by genes,” McMahon says.
No Cure Found
While there’s no cure for bipolar disorder, treatment can help prevent episodes and control their symptoms. Different types of medication can help. So can talk therapy.
- If you think you or a family member has bipolar disorder, call your doctor to get assessed. Getting help sooner rather than later is really important
- If you’re diagnosed with bipolar disorder, Zarate says, learn as much as you can about it. Mood charting is essential—tracking what brings about episodes and how well the medications are working. Mood charts can help you and your doctor design a more effective treatment plan.
- It’s important to have a good support system of friends and family
- Be patient. These kinds of medications don’t work overnight. It can take several weeks to control your symptoms
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