BOSTON (AP) -- New research suggests that hormone therapy taken soon after menopause may help protect against the mental decline of dementia, even though it raises that risk in elderly women.The study adds yet another frustrating twist to the back-and-forth findings about whether hormone-replacement therapy protects against diseases of aging. Though the accepted answer has been “no” in recent years, the latest evidence suggests that timing of treatments may be key, at least for heart attacks and now for dementia.>>> Discuss This Story