Here the charactor :
karate kid = immune system
master= transfer factor
human= human cells
monster= bacteria @ viruses
When your immune system cant function normally, will coz u 'auto immune system' mean that your immune sys will attack your human cell too. It can coz allergy, astma, lupus...etc.
Or...u wil get infection,cancer,HIV.....etc. If the immune system getting weak...
Try study more bout transfer factor with immune system through google or other way in net.thx