Best thing that could happen to & with these "Reinactor" or "Historical Re-Animator" or whatever they wish to call themselves types would be to make them subsist on the available historically appropriate diet, issue 'em with live ammunition, sharp swords, innioculate 'em with pathogens appropriateto the period they pretend to portray [ from plague to typhus to septicaemia to smallpox to "The Bloody Flux" &c &c ] deny them antibiotics and modern medical practice and let 'em have at it.

Let's see some REAL "Living History" for a change.