WHEN JEN MAHONE RIGHTLER, 55, began experiencing menopausal symptoms a few years ago, it became hard at times for her to work. “You don’t know how your body is going to respond,” recalls Mahone Rightler, a human resources strategist in Flower Mound, Texas. “The onset of never-ending sweating, where you literally look like you just ran a marathon while sitting at your desk, the crying for no reason, the fatigue and feeling as if you were hit by a truck. I was miserable.”