What Illnesses Are Covered By Critical Illness Insurance? 
It depends on the policy , but here are a few of the more common ones . Heart attack , stroke , cancer -LRB- internal and some skin cancers -RRB- , ALS , MS , kidney failure , Parkinson 's , blindness . Each policy is different both in terms of what is covered and the definition . Always buy a health insurance policy not a life policy with a rider . 