back injury – plaintiff disabled and his earning capacity was reduced.
found to be suffering from complaint, unrelated to accident, which totally incapacitated
him and made him unfit for work.
for which they were liable.
possible vicissitudes of life eg illness.
liable to pay damages for a notional continuing loss of earnings attributable
to the tortuous injury is to put the plaintiff in a better position than he
would be in if he had never suffered the tortuous injury’
is wholly incapacitated from earning by supervening
illness or accidental injury, the
law will no longer treat the tort as a continuing cause of any loss of earning