Denise Miller poses on her front porch Thursday, Feb. 6, 2014, in Southington, Ohio. Miller suffered a stroke last year that fooled doctors at two Northeast Ohio hospitals before it was finally diagnosed at the Cleveland Clinic. She was 36 and had no traditional risk factors.The American Heart Association on Thursday issued its first guidelines for preventing strokes in women, focusing on birth control, pregnancy, depression and other risk factors that women face uniquely or more frequently than men do. (AP Photo/Tony Dejak)Simply as coronary heart attack signs may just vary between women and men, so do stroke risks.