Very little is know about what causes Bipolar disorder, although it does run in families suggesting a genetic link. however you may find no family history of it. The disorder is diagnosed in a rough equal number of men and women. Most researchers suggest stressful environments, social factors or physical illnesses may trigger the condition and stress is the most significant trigger. Stressful life events – You may find that you can link your disorder to a period of great stress, such as child birth, relationship breakdown, losing a loved one or money problems. Childhood distress – Experiencing sever emotional damage in early life, such as physical, sexual or emotional abuse. Grief , loss trauma and neglect can all contribute. Life problems – Bipolar disorder could be a reaction to overwhelming problems in life.