To change the filter on this type of refrigerator, gently slide the unit out, unplug the unit from power, turn off the water valve, remove and replace the water filter, turn water valve back on, check for leaks, plug refrigerator back into the power outlet, slide unit back in place, and you are done.
Although very simple, balance exercises can greatly strengthen your center of gravity. Any exercise that is done on one leg can be considered a balance exercise. Standing on one leg will improve your body's ability to center its mass over one leg.
Key Points. 1  Dizziness or light-headedness when standing typically involves a decrease in body fluid volume or autonomic nervous system dysfunction. 2  Aging often causes some degree of autonomic nervous system dysfunction, but doctors examine all affected people to ensure that no nervous system disorders are present.