©Peggy Greb |
A diet rich in alkaline-producing fruits and vegetables may help preserve muscle mass. |
The study was led by physician and nutrition specialist Bess Dawson-Hughes at the Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University in Boston, Mass.
The typical American diet is rich in protein, cereal grains and other acid-producing foods. In general, such diets generate tiny amounts of acid each day. With aging, a mild but slowly increasing metabolic "acidosis" develops, according to the researchers.