Bipolar 2 disorder is not only caused by one single gene, but by multiple genes, with each gene contributing only a small percentage of vulnerability, though acting together with other environmental factors like stress, lifestyle, habits and sleep to cause bipolar 2 disorder. The genes involved in bipolar disorder include G72/DAOA, DISC1, NRG1, TPH2, BDNF, 5-HTT, and DAT1. Therefore, genetics play a significant role in the development of bipolar disorder even though the exact inheritance pattern is not clear, but variations in many genes likely combine to increase an individual’s chance of developing bipolar 2 disorders. This combination results in mood swings, ranging from depressive lows to manic highs, as witnessed in this patient. The patient went n a spree o shopping until they run out of credit
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