 How about that? So what's the takeaway? If you're zinc deficient, you can't produce hydrochloric acid. If you have hydrochloric acid, you won't be able to break down protein, iron, calcium, magnesium, B-complex. Oh, did I say calcium in the middle of that? So could you get osteoporosis? Because indirectly, the vertical ridges on your nails indicate, huh, I don't have enough hydrochloric acid. Yeah.