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Can a vitamin B12 deficiency lead to memory loss?

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Too little vitamin B12 in your diet can affect your memory. This nutrient helps your body use energy from food, and it protects nerve cells so you can think clearly.

Your body doesn't make vitamin B12. You get it from foods such as meat, fish, milk, cheese, and eggs. Some vegans might not get enough vitamin B12 from diet alone. If you're low in this vitamin, ask your doctor about taking a supplement.

From: What Causes Sudden Memory Loss? WebMD Medical Reference

SOURCES:

AARP: "10 Drugs That May Cause Memory Loss."

American Brain Tumor Association: "Memory Loss."

American Stroke Association: "Cognitive Challenges After Stroke."

BrightFocus Foundation: "'Is It Something I'm Taking?' Medications That Can Mimic Dementia."

Harvard Medical School: "7 common causes of forgetfulness."

Mayo Clinic: "Amnesia Causes." "Memory loss: When to seek help." "Transient global amnesia definition."

National Health Service: "Underactive thyroid (hypothyroidism)." "Vitamins and minerals -- B vitamins and folic acid."

National Institute on Aging: "Differences between mild forgetfulness and more serious memory loss." "Serious memory problems -- causes and treatments."

National Institute on Alcohol Abuse and Alcoholism: "Alcohol's Damaging Effects on the Brain."

National Stroke Association: "What is stroke?"

Reviewed by William Blahd on November 18, 2016

SOURCES:

AARP: "10 Drugs That May Cause Memory Loss."

American Brain Tumor Association: "Memory Loss."

American Stroke Association: "Cognitive Challenges After Stroke."

BrightFocus Foundation: "'Is It Something I'm Taking?' Medications That Can Mimic Dementia."

Harvard Medical School: "7 common causes of forgetfulness."

Mayo Clinic: "Amnesia Causes." "Memory loss: When to seek help." "Transient global amnesia definition."

National Health Service: "Underactive thyroid (hypothyroidism)." "Vitamins and minerals -- B vitamins and folic acid."

National Institute on Aging: "Differences between mild forgetfulness and more serious memory loss." "Serious memory problems -- causes and treatments."

National Institute on Alcohol Abuse and Alcoholism: "Alcohol's Damaging Effects on the Brain."

National Stroke Association: "What is stroke?"

Reviewed by William Blahd on November 18, 2016

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Can alcohol abuse lead to memory loss?

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