Like most computer hobbyists and programmers, I've amassed boxes of USB cables to connect USB, Micro-USB, and Mini-USB to chargers, computers, and gadgets. These cables are a mix of phone charger cables, and cables that came with external hard drives, bike lights, GPS units, and other miscellaneous gadgets.
Bipolar Disorder. Causes of Bipolar Disorder. Both genetic elements and environmental factors can create vulnerability to the disorder, so the causes vary from person to person. While the disorder can run in families, no one has definitively identified specific genes that create risk for developing the condition.
Doctors don't completely understand the causes of bipolar disorder. But they've gained a greater understanding in recent years of the bipolar spectrum, which includes the elated highs of mania to the lows of major depression, along with various mood states between these two extremes.