That means NOT relying on any one source of information. ALWAYS seek a second, even a third opinion.
Long-lived people do in fact have commonalities, including moderation, even with "vices" like smoking and drinking.
Living well and living longer does not mean sacrificing those things that bring you comfort and pleasure; not by a long shot.
Living well and long DOES mean approaching your comforts and desires with a more balanced approach than you've used so far.
Good health is augmented by good information. Remember that no doctor or supplement or mineral can cure you.
YOU CAN ONLY CURE OR HEAL YOURSELF. This is a scientific fact of the human body and system,
not a dig or insult against medical practitioners. They can only help you to help yourself.