For infinite health in this game, use the DOS utility DEBUG. 
 First backup your game to be edited, then type the following 
 from the DOS prompt:
 
 ren bh.exe cheater.cht
 debug
 a 100
 mov dx,es
 add dx,1000
 mov es,dx  <PRESS ENTER TWICE!>
 
 g 108
 r ip
 100
 n cheater.cht
 l
 e es:50dc 90 90 90 90
 Then type:
 w
 q