We went to university together <a href=" http://www.prisonersonthemove.eu/opinion-statement-essay#stronghold ">my hobby essay</a> A separate study published in the journal JAMA Internal Medicine in April found that a combination of light exercise and mental stimulation from computer games can also help keep seniors mentally sharp. University of California San Francisco researchers found the memory and thinking skills of 126 inactive older adults improved after they were given daily activities designed to engage not only their brains but also their bodies.