The Side Effects of Chemotherapy on the Body. Chemotherapy drugs are powerful enough to kill rapidly growing cancer cells, but they also can harm perfectly healthy cells, causing side effects throughout the body.
The fastest bear is the Black Bear, followed by the Brown Bear, and the Polar Bear. In short, the larger the bear the slower it is. Keep in mind that even the slowest bear can still move it out at about 30 mph. The Brown Bear can run approximately 40 mph. Bears can even run sideways; still beating the fastest human runner.
How Fast can a Grizzly Bear Run. Grizzly bears are able to run as fast as 55 km per hour. They seem to be more active at dawn and dusk, but may come out any time. Grizzly bears also share the same area of food provided the food is good enough to feed all of them.