-> ‘but for’ test (Padgett (1983); White (1910))
-> more than minimal cause (Kimsey (1996))
-> D must take his V as he finds them (Blaue (1975))
Chain must not have been broken by Novus Actus Interveniens:
-> general rule: medical treatment will not break the chain of causation (Smith; Cheshire; Malcherek)
—-> unless ‘palpably wrong’ (Jordan)
-> V’s own act won’t break the chain if reasonable (Roberts)
—-> Will if daft (Williams and Davies)
-> natural but unpredictable even will