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.
In fact, getting the blood pressure down this much in very old people has not been found to reduce their risk of dying. In addition, many individuals over the age of 65 may feel dizzy, fall or pass out when they stand suddenly due to blood pressure that is suddenly too low. This condition, known as postural or orthostatic hypotension, poses a danger of fractures and other serious injury.