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3. Vitamin B12 Deficiency

Not getting enough vitamin B12 can result in a metallic taste. Many people do not consume enough foods containing this nutrient, and certain conditions and medications can impede its absorption. The deficiency, common among older people, can accompany numbness, progressive shortness of breath, and joint pain. Multivitamins and vitamin B12 shots or pills can remedy mild cases.

vitamin B12 photka / Getty Images

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Disclaimer

This site offers information designed for educational purposes only. You should not rely on any information on this site as a substitute for professional medical advice, diagnosis, treatment, or as a substitute for, professional counseling care, advice, diagnosis, or treatment. If you have any concerns or questions about your health, you should always consult with a physician or other healthcare professional.