this main issue revolve around consent and specific exceptions such as surgery
r v melin
"wound"
is a cut or break in the continuity of the skin
no cut of the skin=noit sufficient
jjc v eisenhower
visible bleeding is normally the evidence
grievous bodily harm
means really serious harm which may be physical, psychiatric or by deliberate infection with a serious disease
inflicting grievous bodily harm- r v Burstow
it was decided that inflict does not require a technical assault or battery. it need only be shown that the d actions have led to the consequence of the v suffering GBH. means that there is now little if any difference in AR of the offences under s20 and s18 which uses the word 'causes'
MR of s20
intention or subjective recklessness as to causing some injury (though not serious)