 they certainly have all of those advantages, and it's because the estrogen sends a signal to make more HA. Now, women have more HA to lose than men do, and you see the skin shriveling up, the joints and so on, as women age. But there's a way to get it back, and of course, Purity Products for years now has been talking about HA, and they have a new formula just for the joints, HA joint formula, and it's so important today because HA,