Researchers at the National Institute on Aging say their study suggests a link between depression and cancer in elderly people. December 15, 1998. Web posted at: 8:15 p.m. EST (0115 GMT) WASHINGTON (CNN) -- A new study by researchers at the National Institute on Aging suggests a link between chronic depression and cancer among older patients. When present for at least six years, depression was associated with a generally increased risk of cancer, the researchers wrote in the Journal of the National Cancer Institute.
Rate this answer: A wolf's bite packs a punch of 1500 pounds of pressure per square inch which is meant to snap an antelope or elk leg in half. A domestic dog even an American Pit Bull terrier can't even measure up to half of that at about 250 pounds of pressure per square inch.
Hyena secured the 10th position in the strongest animal bite force list. The bite of this animal is 1100 psi and the most interesting thing is that, its bite is strong enough to crush the bones of a giraffe. Hyena is carnivores and the behavior of this animal is a scavenger and it also has a strong jaw.