Healthy diets
Learning Center
Nasal congestion
Learn more about what can cause a stuffy nose and how to relieve it.
Elevated liver enzymes
Inflamed liver cells can leak higher levels of liver enzymes into the bloodstream. The symptom is often mild and short-term.
Muscle pain
Muscle pain: Symptom — Overview covers definition, possible causes of this symptom.
Testicle pain
If you're experiencing this symptom, an injury or underlying condition may be the culprit.
Cold hands
Cold hands may not be cause for concern. But persistent cold hands may be due to a blood vessel or nerve problem. Learn about the possible causes.
Protein in urine (proteinuria)
Learn about possible causes of elevated protein levels in urine tests.
Eosinophilia
Learn more about a condition in which white blood cell counts are high enough to cause concern.
Low hemoglobin count
A low hemoglobin count on a blood test could be normal for you, or it could indicate that you have a condition that needs medical attention.
Night sweats
Learn what conditions and medications might cause these sleep-disturbing sweats.
Dark circles under eyes
Overview covers causes, remedies for this common symptom.
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