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.
Big or small, male or female, young or old, any dog can bite. Even the cuddliest, fuzziest, sweetest pet can bite if provoked. Dogs bite as a reaction to something. If the dog finds itself in a stressful situation, it may bite to defend itself or its territory. Dogs can bite because they are scared or have been startled.