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.
Orthostatic hypotension is a type of low blood pressure that can occur when you stand up after lying or sitting down. It often causes dizziness and even fainting. Some doctors refer to it as postural hypotension. Older people are more at risk for postural hypotension, and so are people with heart conditions.