I couldn't find any studies but did find this interesting article titled "Roman gladiators were fat vegetarians" http://www.abc.net.au/science/news/ancient/Anci

I couldn't find any studies but did find this interesting article titled "Roman gladiators were fat vegetarians" http://www.abc.net.au/science/news/ancient/AncientRepublish_ http://www.abc.net.au/science/news/ancient/AncientRepublish_ 1081439.htm