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Abnormal sperm morphology: What does it mean?

Abnormal sperm morphology may be a contributing factor in male infertility.

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Acetyl-L-carnitine: Can it relieve MS fatigue?

Some research suggests that acetyl-L-carnitine may improve fatigue associated with multiple sclerosis, but more study…

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Acid reflux and GERD: The same thing?

Acid reflux and GERD are closely related, but the terms aren’t necessarily interchangeable.

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Acne scars: What’s the best treatment?

Various procedures can improve acne scars, but no single treatment is best for everyone.

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Acute bronchitis: Is it contagious?

Most cases of acute bronchitis are caused by viruses and are contagious. Learn ways to…

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Acute sinusitis: Do over-the-counter treatments help?

Medicine you can get without a prescription may give some relief from acute sinusitis symptoms.

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Adrenal fatigue: What causes it?

Adrenal fatigue is a term used to describe a group of symptoms that aren’t specific.…

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Adult bed-wetting: A concern?

Adult bed-wetting is uncommon and requires evaluation by a doctor. Learn about possible causes.

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Air travel during pregnancy: Is it safe?

Consider these guidelines if you need to fly while you’re pregnant.

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Air travel with infant: Is it safe?

Planning for air travel with an infant? Know how air travel can affect a newborn’s…

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Albuterol side effects: Can I avoid them?

Albuterol side effects — Managing reactions to quick-relief asthma medication.

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Alcohol: Does it affect blood pressure?

Drinking too much alcohol can raise blood pressure to unhealthy levels.

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Alkaline water: Better than plain water?

Health claims about alkaline water abound, but plain water is usually best.

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Allergy medications and pregnancy: What’s safe?

Find out what medicines can help you manage allergies while you’re pregnant.

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Alzheimer’s and dementia: What’s the difference?

The terms ‘Alzheimer’s disease’ and ‘dementia’ are often used to mean the same thing —…

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Alzheimer’s prevention: Does it exist?

Alzheimer’s prevention: Strategies for staying physically and mentally fit may be most effective.

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Ambien: Is dependence a concern?

Zolpidem (Ambien) for insomnia is generally safe in the short term, but some people who…

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Ankle swelling during pregnancy: What helps?

Try these tips to prevent and treat swelling of the ankles during pregnancy.

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Antibiotics and alcohol

Alcohol doesn’t make antibiotics less effective. But it’s still a good idea not to drink…

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Antibiotics and pregnancy: What’s safe?

Learn about common types of antibiotics used during pregnancy and their safety.

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Antidepressant withdrawal: Is there such a thing?

Antidepressant withdrawal is possible if you stop taking an antidepressant abruptly — but it’s generally…

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Antidepressants and alcohol: What’s the concern?

Combining antidepressants and alcohol can worsen depression and cause other problems.

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Antidepressants and weight gain: What causes it?

An antidepressant isn’t always a direct cause of weight gain. Learn the other causes of…

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Antidepressants: Can they stop working?

Antidepressants: Reasons treatment stops working.

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Antidepressants: Which cause the fewest sexual side effects?

Sexual side effects are common with antidepressants in both men and women, but there are…

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Anxiety: A cause of high blood pressure?

Anxiety can cause dramatic, temporary increases in blood pressure.

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Aortic calcification: An early sign of heart valve problems?

This condition once was thought to be harmless, but it may be a symptom of…

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Apple cider vinegar for weight loss

Proponents tout apple cider vinegar as a weight-loss aid, but there’s little proof that it…

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Arcus senilis: A sign of high cholesterol?

With this condition, older adults develop a gray arc around the cornea of the eyes.

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Artificial sweeteners: Any effect on blood sugar?

Artificial sweeteners, also called sugar substitutes, offer the sweetness of sugar without the calories.

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