The Mighty Atom (AKA Joseph Greenstein), a stongman whose public heyday was in the 1930s, offers medical advice in this rare video:
(Thanks to investigator David Kessler for bringing this to our attention.)
BONUS: The Mighty Atom bears a resemblance, in appearance and perhaps otherwise, too, to the character Al Swearengen, as played by actor Ian McShane in the recent television series Deadwood:
BONUS: A later strongman: Astro Boy Mighty Atom