Health Library

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Cuts of beef: A guide to the leanest selections
Whether you’re watching your health or your weight, you can still enjoy this typ...
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Thyroid nodules
Find out what can cause lumps in the thyroid gland and how your doctor may treat them....
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Seborrheic dermatitis
Find out what you can do to treat this flaky skin condition that can cause scaly skin ...
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Marfan syndrome
This inherited disorder affects the skeleton and the eyes. It can also harm the large ...
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How you hear
The ears take in and interpret sounds from the outside world.
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Buttock lift
Find out how this surgery can change your appearance. Also learn about the possible ri...
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Phenylketonuria (PKU)
PKU is caused by a change in the gene that helps create an enzyme needed to break down...
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Patent ductus arteriosus (PDA)
This lasting opening between the heart’s two major blood vessels is a type of co...

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Disease and Conditions
Learn more about diseases and conditions to help better understand your health.
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Health Definitions
Stay up to date with thousands of current health definitions.
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Symptoms
Check the severity of your symptom(s) or learn more about what to expect.
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Tests and Procedures
The hub of everything you need to know including how it's done, risks, and results.