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.
Polar bears rely on sea ice to hunt seals. Polar bearsâ metabolism does not slow very much during the summer months when sea ice melts and food becomes scarce, according to a study published today (16 July) in Science. With the Arctic warming faster than the global average, the finding does not bode well for polar bears (Ursus maritimus), who use the ice as a hunting ground.