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What are the causes of fatigue?

Dr. Mehmet Oz, MD
Cardiology (Cardiovascular Disease)

When fatigue stretches beyond the typical exhaustion posed by everyday life, it can be a conundrum for both sufferers and doctors. After a slew of likely contenders such as heart disease, anemia, thyroid disease, depression or a sleep disorder are ruled out, getting to the source of fatigue gets murky.

Susan S. Blum, MD
Preventive Medicine
Functional medicine expert Dr. Susan Blum discusses the various causes of fatigue. Watch Dr. Blum's video for information on thyroid health and fighting fatigue.

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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.