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Early miscarriage: Is stress a factor?

Early miscarriage is usually caused by an abnormality with the baby — not maternal stress.

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Early-onset colon cancer

This condition is on the rise among people younger than 50. Knowing the risks and…

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Earwax blockage

Learn simple steps for treatment and self-care of this common problem, including earwax removal.

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Easy bruising: Why does it happen?

Get the facts about bruising easily. Learn about causes and find out when it's a…

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Eating and exercise: 5 tips to maximize your workouts

Find out how your meals and snacks can affect your workouts.

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Eating disorder treatment: Know your options

Depending on your eating disorder and its symptoms, treatment may include a mix of talk…

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飲食失調

Anorexia, bulimia and binge-eating disorder affect physical and mental health. Learn about symptoms, causes, risk…

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Eating during cancer treatment: Tips to make food tastier

Cancer treatment may alter your sense of taste. Learn what you can do.

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Eating the placenta: A good idea?

Despite claims of benefits, eating the placenta after giving birth can be harmful.

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Ebola transmission: Can Ebola spread through the air?

Ebola virus: A Mayo Clinic expert explains how the virus spreads

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Ebstein anomaly

In this rare heart defect, the tricuspid heart valve didn't form properly. This can affect…

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Echocardiogram

Find out more about this imaging test that uses sound waves to view the heart…

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子宮外孕

Ectopic pregnancy occurs outside the uterus, threatening the mother's life. It can't continue normally. But…

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Ectropion

Ectropion is an eye condition in which your eyelid sags or turns outward. Find out…

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Eczema bleach bath: Can it improve my symptoms?

A diluted bleach bath may help treat chronic eczema.

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Edema

Learn about symptoms, causes and treatment of swelling caused by too much fluid in body…

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EEG (electroencephalogram)

Brain cells communicate through electrical impulses, activity an EEG detects. An altered pattern of electrical…

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Egg allergy

This allergy can cause a serious reaction in children and adults. Learn the symptoms and…

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Eggs: Are they good or bad for my cholesterol?

Get the latest information about eggs, cholesterol and heart disease.

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Ehlers-Danlos syndrome

Learn about these complex genetic disorders that cause problems with connective tissue in the skin,…

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Ehrlichiosis and anaplasmosis

Learn how to prevent and treat the tick-borne diseases ehrlichiosis and anaplasmosis.

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Eisenmenger syndrome

This complication of an unrepaired congenital heart defect needs to be watched closely. Learn how…

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Ejection fraction: What does it measure?

This measurement, commonly taken during an echocardiogram, shows how well the heart is pumping. Know…

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Elbow pain

Elbow pain: Symptom — Overview covers definition, possible causes of this symptom.

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Elbow replacement surgery

Elbow replacement surgery can be complicated because of the intricate nature of the joint. Learn…

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Elective abortion: Does it affect subsequent pregnancies?

Understand whether ending a pregnancy can affect your fertility or future pregnancies.

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Electrical burns: First aid

Learn how to treat electrical burns caused by sources of electricity. The damage may be…

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Electrical shock: First aid

How to administer first aid for electrical shock.

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Electrocardiogram (ECG or EKG)

This common test checks the heartbeat. It can help diagnose heart attacks and heart rhythm…

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Electroconvulsive therapy (ECT)

This procedure can greatly and rapidly improve severe symptoms of depression, mania, catatonia or other…

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