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Buerger disease

Read about this blood vessel disease that limits blood flow, especially to the hands and…

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Bulging disk vs. herniated disk: What's the difference?

Compared with a bulging disk, a herniated disk is more likely to cause pain because…

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Bulimia nervosa

In this serious eating disorder, people lose control and eat large amounts of food. Then…

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Bullous pemphigoid

Learn about the symptoms, treatment and self-care strategies for the itchy blisters of this skin…

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Bump on the head: When is it a serious head injury?

Even a minor injury to the scalp or forehead can cause a large lump. Find…

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Bundle branch block

A delay or blockage in the heart's signaling pathways can interrupt the heartbeat and make…

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Bunions

This bony bump forms on the joint at the base of the big toe. Learn…

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Burkitt lymphoma

Find out more about the symptoms, diagnosis and treatment of this type of non-Hodgkin lymphoma.

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Burning feet

Burning feet: Symptom — Overview covers definition, possible causes and when to see a doctor…

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Burning mouth syndrome

This burning sensation, without an obvious cause, may affect the tongue, gums, lips, cheeks, roof…

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伯恩斯

Learn about causes, symptoms, risk factors and complications of burns and how to prevent and…

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Burns: First aid

How to recognize and administer first aid for minor to serious burns.

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Bursitis

Bursitis is the painful inflammation of small, fluid-filled sacs that cushion the bones, tendons and…

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Butter vs. margarine: Which is better for my heart?

Margarine usually tops butter for heart health. But not all margarines are created equal.

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Buttock lift

Find out how this surgery can change your appearance. Also learn about the possible risks…

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C. difficile infection

Learn more about this diarrhea-causing infection that often occurs after antibiotic use. Many, but not…

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C-reactive protein test

This simple blood test measures inflammation in the body. The results help diagnose infection and,…

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C-section

Learn the reasons for this surgical procedure to deliver a baby, the risks and tips…

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C-section recovery: What to expect

Learn how to manage healing from a C-section while caring for a newborn.

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CA 125 test

Learn how doctors use this blood test to measure levels of a tumor marker associated…

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CA 125 test: A screening test for ovarian cancer?

Learn why health care providers generally don't recommend a CA 125 test for ovarian cancer…

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Caffeine content for coffee, tea, soda and more

Find out how much caffeine is in coffee, tea, soda and energy drinks. You may…

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Caffeine: Does it affect blood sugar?

For some people with diabetes, one cup of coffee may raise or lower blood sugar….

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Caffeine: How does it affect blood pressure?

Caffeinated drinks can raise blood pressure in the short term. But the long-term effects on…

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Caffeine: How much is too much?

Is caffeine causing you problems? Find out how much is too much and if you…

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Caffeine: Is it dehydrating or not?

Caffeinated drinks usually won't dehydrate you, but water is still your best option.

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Calciphylaxis

Learn more about this uncommon condition that affects small blood vessels and skin tissues, causing…

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鈣和鈣補充劑:達到適當的平衡

Considering calcium supplements? First figure out how much calcium you need. Then weigh the pros…

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Calcium channel blockers

Learn how these blood pressure medicines open the arteries, help ease chest pain and treat…

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Calcium supplements: A risk factor for heart attack?

Learn about the possible link between calcium supplements and heart attack.

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