(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 and borderline personality disorder (BPD) are both mental illnesses that involve extreme mood swings. Since many BPD and bipolar symptoms overlap, these conditions are often mistaken for each other. But bipolar disorder and BPD are different illnesses, each with their own symptoms and treatments.