Risks of too little sodium are a valid concern only at levels massively below mean intake in the U.S., while the harms of excess are with us right now. The priority, obviously, is fixing what's broken. Kudos to the FDA. Their action on salt does not yet have traction in the real world -- but it does pertain to it.
So why does it seem that actors and actresses in Hollywood are defying their ages and looking younger and younger? It's not necessarily plastic surgery. Far from it. In fact, it's the opposite of surgery. They're eating better and taking better care of their skin. And this is something everyone can do.