The National Institute of Neurological Disorders and Stroke (NINDS), a part of the National Institute of Health (NIH), defines Bell's palsy as "a form of facial paralysis resulting from damage to the seventh (facial) cranial nerve."
A National Institutes of Health (NIH) study of stepfamilies found that a stepfamily has a unique natural life cycle, takes several years to develop into a family unit, and is at greatest risk for failure during its first two years.
The NIH reports there is some evidence that straining to pass a bowel movement can contribute to the formation of diverticula, and that fecal matter sitting in the colon instead of passing through may contribute to inflammation.
NIH also notes that there is no confirmed connection between autism and the MMR vaccine, and it indicates that occurrences of deafness, long term seizures and brain damage are so rare that these side effects are questionable.
Some physicians recommend avoidance of seeds or popcorn out of fear these foods may become caught in the diverticula, but the NIH states there is no scientific evidence to indicate these items can cause a problem.