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.
At least 10 percent of adults in the United States have back pain â or dorsalgia â at any given time.1. It ranks as the second most common reason people visit a medical clinic. About 5 million people in the United States are disabled by back pain and some 2.5 million are permanently disabled by back disorders. What is worse, is that at least half of those who have back pain/injury will experience another back injury.