 pre-op status for back surgery by virtue of the benefits of fish oil. So no question, fish oil can be beneficial. SPMs kind of add to the benefit of fish oils. So I would suggest you look at that product if you're suffering from hip pain, you want to give it a shot before you, or a knee pain, any type of joint problem, because there's a possibility that you might defer surgery. The longer you can wait, the better, because early...