For older Americans, reversal of the brain shrinkage that occurs as people age is just one benefit of greater physical activity, according to research published in the latest issue of The Journal of Gerontology: Medical Sciences (Vol. 61A, No. 11).

As more and more Americans turn to in-home health care workers to take care of elderly family members, research from a University of Iowa law professor has found nobody is taking care of the caregivers.