My father worked down pit all his life ,he eventually went totally blind ,had thrombosis emphysema bronchial asthma,flibitis, he was then given 6 month to live with lung cancer ,he never smoked, the insurance company tried to say was it not down to my father excessive night life , he had 5 children a wife a dog worked 6 days a week and had 4 pints Sunday afternoon v,that was his treat, this world is vbloody cruel