Dr. Melik: This morning for breakfast he requested something called "wheat germ, organic honey and tiger's milk."
Dr. Aragon: [chuckling] Oh, yes. Those are the charmed substances that some years ago were thought to contain life-preserving properties.
Dr. Melik: You mean there was no deep fat? No steak or cream pies or... hot fudge?
Dr. Aragon: Those were thought to be unhealthy... precisely the opposite of what we now know to be true.
Yep, Sleeper was pretty prophetic in that regard. They thought they were making a joke.
Consider all the reversals of “x is bad for you” over the last few decades. No Salt was the latest one to be found wrong.