Can a blood test detect cancer?

A fellow caregiver asked...

Will early cancer be detected by the results of a general blood test or CBC?

Expert Answer

Dan Tobin, M.D. is the author of books and articles focused on the practical and positive aspects of family caregiving.

Blood test detection of cancer is not the best way to go but it is important to determine what you are actually concerned about. Depending on your age , family history and specific symptoms you may have there are more specific ways to look for cancer . Sometimes we can worry ourselves in to a bad situation thinking that we are going to get cancer. It is helpful to talk to a general doctor about what cancer you are trying to detect.
All the best
Dan Tobin