A small carriage propelled by a steam turbine powered engine was apparently invented by Ferdinand Verbiest, a Belgian, in 1672 while in China. It is argued that this constitutes the first 'car' ever invented, but the design was only 65cm long, had no seats or pilot controls, and was intended as little more than a toy.
Episodes of mood swings may occur rarely or multiple times a year. While most people will experience some emotional symptoms between episodes, some may not experience any. Although bipolar disorder is a lifelong condition, you can manage your mood swings and other symptoms by following a treatment plan. In most cases, bipolar disorder is treated with medications and psychological counseling (psychotherapy). Bipolar disorder care at Mayo Clinic.
Symptoms of mania and depression can vary dramatically among people with bipolar disorder. All people with bipolar disorder experience mood swings, but the severity of these mood swings can vary. In the form of bipolar disorder known as bipolar I, there are recurrent episodes of mania and depression.