U.S. researchers who followed healthy male veterans for up to 24 years found that older men who ate more high-fiber fruits were less likely to show signs of gum disease. For more than 600 men participating in a long-running Veterans Affairs dental study, each serving of high-fiber food was linked to an almost 30 percent lower likelihood of lost teeth and a 24 percent lower risk of bone loss associated with receding gums. The apparent benefit wasn't … full story