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Is bipolar disorder genetic?

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Many studies of bipolar patients and their relatives have shown that bipolar disorder sometimes runs in families. The findings include:

  • The lifetime chance of an identical twin (of a bipolar twin) also developing bipolar disorder is about 40% to 70%.
  • Bipolar II is the most common diagnosis of relatives in both bipolar I and bipolar II families.
  • Children with one biological parent with bipolar I or bipolar II disorder are more likely to get bipolar disorder.

From: Causes of Bipolar Disorder WebMD Medical Reference

SOURCES:

NIMH: What Causes Bipolar Disorder?

National Alliance on Mental Illness: "Treatable Causes of Disability: Bipolar."

Bipolar II by Ronald R. Fieve, MD.

Reviewed by Smitha Bhandari on March 18, 2019

SOURCES:

NIMH: What Causes Bipolar Disorder?

National Alliance on Mental Illness: "Treatable Causes of Disability: Bipolar."

Bipolar II by Ronald R. Fieve, MD.

Reviewed by Smitha Bhandari on March 18, 2019

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Does your environment cause bipolar disorder?

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