ocr: There is Sister Matthia, 103, whose nimble that something as simple as taking an aspi- fingers have for the past several years knit a rin a day might prevent the symptoms of pair of mittens every day for charity. When I Alzheimer's in some people, not by curing it arrived, she was on her 1,378th pair.. And there but by preventing the strokes that do the bulk is Sister Liguori, 89, and Sister Clarissa, 87, of the damage. biological sisters who laugh and joke about "Inever would. have imagined spending my their antics in elementary school, which they career with a convent full of aging nuns, say ...