It will depend on the state of your health, what illness you have, how long you have been sick, and what your prognosis is - will you get better, worse, or is the health problem terminal?
If it is a chronic health problem which will shorten your life expectancy, your only option for life insurance may be guaranteed issue life insurance.
If you have had cancer, but survived, and the cancer is in remission, you may be able to get life insurance coverage.
If you have a health problem, such as, diabetes, you may still be able to qualify for affordable life insurance coverage, depending on how long ago you were diagnosed, how you manage your diabetes, and your current health.
Here's how you can learn more about life insurance for high risk people who are sick.