1 Stool tests can produce false-positive and false-negative results. 2  False-positive means that the test may be positive when you don't have a polyp or cancer. 3  False-negative means that the test may be negative when you do have a polyp or cancer.4  These tests may miss polyps and some cancers.hat To Think About. 1  Stool tests can produce false-positive and false-negative results. 2  False-positive means that the test may be positive when you don't have a polyp or cancer. 3  False-negative means that the test may be negative when you do have a polyp or cancer.
Approximately 11,000 spinal cord injuries reported each year in the United States involve paraplegia. Such events occur as a result of automobile and motorcycle accidents, sporting accidents, falls, and gunshot wounds.
1 Stroke is the leading cause of serious, long-term disability in the United States. 2  Each year, approximately 795,000 people suffer a stroke. 3  About 600,000 of these are first attacks, and 185,000 are recurrent attacks. 4  Nearly three-quarters of all strokes occur in people over the age of 65.