This insurance is designed to pay out a lump sum in the event you are diagnosed or suffering from a critical illness, think cancer, heart issues, strokes and a whole host of other life changing diseases and illnesses. Research is really important here, think of a Heart attack, if you suffer a heart attack you want to make sure the policy you bought will pay out but you would be surprised in the differences to the criteria which needs to be met for a successful claim, I use sophisticated software to get you the best I can for your budget but no policy will ever cover everything...