Bipolar disorder is a chronic mental illness that causes dramatic shifts in a personâs mood, energy and ability to think clearly. People with bipolar have high and low moods, known as mania and depression, which differ from the typical ups and downs most people experience.
Polar bears are the largest of the three bears found in North America. They range from about seven hundred pounds up to about fifteen hundred pounds. Not only are they the largest bear found in North America they are also the most dangerous to humans.
The largest state in the USA by population is California, which is estimated to be home to just over 39 million people. If California was a country, it would be the 36th most populous in the world, slightly larger than Poland.