Cancer Insurance is a type of supplemental health insurance that helps mitigate the costs of cancer treatment and provide policyholders with a degree of financial support. This support is based upon the terms written into a particular policy by an insurance company. As with other forms of insurance, cancer insurance is subject to charges, called premiums, which change depending on the risk associated with covering the disease. Like all supplemental insurance, Cancer Insurance is not designed to replace conventional health insurance coverage. Instead, this type of insurance is meant to augment conventional policies by providing coverage for a disease that is often associated with high out-of-pocket medical costs, even when coverage is provided through traditional insurance policies.