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What is the point of getting a blood test?

People get blood tests to help their doctor know how healthy they are. Lots of people need to have a blood test at some point in their life. Lots of things travel in the blood, like glucose, medicines, and chemicals that the body needs. Blood tests can look at all these different things.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.