R v Tandy [1987] EWCA Crim 5

Point of law: whether, for a craving for drink or drugs in itself to produce an abnormality of mind within the meaning of s2(1) of the Homicide Act 1957, the craving must be such as to render the accused's use of drink or drugs involuntary or whether it is sufficient for the defence to prove that the craving was such as to make it more difficult, than for an ordinary individual, for the accused to resist the impulse to consume alcohol or use drugs?

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