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In De Soto, Missouri, Lorraine Acre, soon to turn 98, defies age stereotypes at Iron Integrity gym. Despite not being the strongest, she impresses fellow members with her commitment to fitness alongside her 83-year-old friend, Sarah Brown. Gym owner Jake Wycoff marvels at their dedication, highlighting Acre’s lifelong commitment to exercise, which began with a rigorous at-home routine at 80, including sit-ups, push-ups, stretching, and lifting 10-pound weights.