8 ▁( s . ▁ 9 ). ▁It ▁is ▁also ▁used ▁in ▁the ▁definition ▁of ▁murder ▁( as ▁it ▁appears ▁in ▁case ▁law ) ▁in ▁the ▁gu ise ▁of ▁gr iev ous ▁bod ily ▁harm . ▁ ▁Psych iat ric ▁dis order ▁ ▁Non - phys ical ▁or ▁psych iat ric ▁injury ▁can ▁be ▁considered ▁" b od ily ▁harm " ▁whether ▁" actual " ▁or ▁" gr iev ous ", ▁but ▁there ▁must ▁be ▁formal ▁medical ▁evidence ▁to ▁verify ▁the ▁injury . ▁ ▁In ▁R ▁v ▁Ireland , ▁R ▁v ▁Bur st ow , ▁Lord ▁Ste yn ▁said : ▁ ▁In ▁modern ▁times , ▁the ▁practice ▁of ▁stat ut ory ▁interpretation ▁frequently ▁refers ▁to ▁the ▁actual ▁intention ▁of ▁the ▁draft s man ▁as ▁expressed ▁in ▁the ▁words ▁of ▁the ▁Act , ▁but ▁considered ▁in ▁the ▁light ▁of ▁contemporary ▁knowledge . ▁R ▁v . ▁Chan ▁F ook ▁applied ▁this ▁approach . ▁Hob house ▁L J . ▁said ▁the ▁pro sec ution ▁" ch ose ▁to ▁introduce ▁into ▁the ▁case ▁an ▁alleg ation ▁that ▁even ▁if ▁Mr ▁Mart ins ▁had ▁suffered ▁no ▁physical ▁injury ▁at ▁all ▁as ▁a ▁result ▁of ▁the ▁assault ▁upon ▁him ▁by ▁the ▁App ell ant , ▁he ▁had ▁never theless ▁been ▁reduced ▁to ▁a ▁mental ▁state ▁which ▁in ▁itself , ▁without ▁more , ▁amount ed ▁to ▁actual ▁bod ily ▁harm . ▁The ▁only ▁evidence ▁to ▁which ▁the ▁pro sec ution ▁could ▁point ▁in ▁support ▁of ▁this ▁alleg ation ▁was ▁the ▁evidence ▁of ▁Mr ▁Mart ins ▁that ▁he ▁felt ▁ab used