Wellness: Why You Need Salt? Have ever questioned yourself? No, but we covered it for you. Life would be pretty bland without salt. Not only is this crystal one of the most universal ingredients in food, it also plays a key role in health — even if a lot of what you hear about salt is negative. In this Video learn more about this mineral, its history, health benefits, and why so many people crave it, and you just may start enjoying salt more on every level.