(Cugnotâs second model weighed 8,000 pounds and had a tendency to tip forward when it wasnât hauling heavy artillery behind it.) As a result, some observers argue that the first true automobile was gasoline-powered. They point to not one but two inventors: Karl Friedrich Benz and Gottlieb Daimler.
Pediatric bipolar disorder is commonly characterized by outbursts of anger, irritability and psychosis, rather than euphoric mania, which is more likely to be seen in adults. Early onset bipolar disorder is more likely to manifest as depression rather than mania or hypomania.
Bipolar disorder is in a class of mood disorders that is marked by dramatic changes in mood, energy and behaviour. The key characteristic of people with bipolar disorder is alternating between episodes of mania (extreme elevated mood) and depression (extreme sadness). These episodes can last from hours to months. The mood disturbances are severe enough to affect the personâs ability to function.