Your very first introductory episode to defences in torts is here! Quite unlikely (and gruesome?), the case law in this area revolves around glass shards being thrown in a stand-off and Jehovah's Witnesses refusing blood transfusions. From necessity to consent, we traverse this difficult landscape with Nam Kiet Nguyen and Patrick Hendy.
*Note: pay attention, as the part about Mike Tyson is highly relevant!