Every year, many perfectly healthy people with no symptoms undergo one or more cancer screening tests

Health Science Sep 18, 2020

Every year, many perfectly healthy people with no symptoms undergo one or more cancer screening tests. What are some of these tests? Occasionally, a screening test will actually discover a cancerous tumor. What is the purpose of trying to discover cancer before there are any symptoms? What are some of the common causes of cancer? What are some of the most common forms of cancer?