Where multiple defendants materially contributed to the risk of mesothelioma, liability is proportionate to the period of exposure rather than joint and several.
Tort — Causation, Remoteness and Damages
In informed consent cases, causation is satisfied on a policy basis even where the claimant cannot prove they would have avoided surgery but-for the failure to warn.
Where multiple tortfeasors each materially contributed to the risk of harm, proof of material contribution to risk suffices to establish causation in negligence.
A defendant is liable in tort where damage of the relevant type was foreseeable, even if the risk of it occurring was very small.
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