Weight training, or any of it’s resistance-training cousins, is vital for maintaining bone mass, in addition to building muscle. And now that we know “sitting is the new smoking”, we know that you need some kind of resistance training to keep your muscles in shape, which means you not only look good, you want to be active — because a well-toned muscle is just itching to be doing something. So weight training in some form is something that you must build into your routine.
Raw egg seems to produce strong nails, hair, and bones. But other factors may play a role as well, including