Yes, you shouldn't. And yet, when you watch a show from the 70s, say "Soap" (highly recommended - passes the test of time with flying colors), you'll notice th

Yes, you shouldn't. And yet, when you watch a show from the 70s, say "Soap" (highly recommended - passes the test of time with flying colors), you'll notice that all the actors there -- and they all look considerably thinner than modern actors (e.g., take Friends for a nineties comparison). Standards have changed, regardless of Hollywood, and you can measure relative changes (though not absolute values) on through Hollywood.