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Do the benefits of vitamin C include improved mood?

You know this vitamin helps fight the common cold. But did you know that the…

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Does atrial fibrillation run in families?

AFib is a common heart disorder. Sometimes it is inherited. Learn about all the risk…

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Does older age increase the risk of atrial fibrillation?

Learn how the risk of getting this common heart rhythm condition can increase with age.

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Does prickly pear cactus have health benefits?

Have you heard about prickly pear cactus? Find out about some surprising health benefits of…

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Does soy really affect breast cancer risk?

Soy foods reduce the risk of breast cancer, but more research is needed to determine…

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Does sunscreen expire?

Wondering whether sunscreen expires? Get the facts about how long sunscreen lasts.

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Domestic violence against men: Recognize patterns, seek help

Domestic violence against men is real. Find out how to break the cycle.

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Domestic violence against women: Recognize patterns, seek help

Domestic violence can happen to anyone. Understand how to break the cycle of abuse.

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Donor nephrectomy

In this surgical procedure, a healthy kidney is removed from a living donor for transplant…

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Doppler ultrasound: What is it used for?

A Doppler ultrasound measures blood flow and pressure in blood vessels.

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Double-outlet right ventricle

In this heart condition present at birth, two major blood vessels aren't attached to the…

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Double uterus

Learn about symptoms, diagnosis and treatment of this uncommon condition of the uterus. It is…

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Down syndrome

In this genetic condition, an unusual cell division results in extra genetic material from chromosome…

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Downward-facing dog

Relax with this yoga pose and stretch your legs and back.

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Dressler syndrome

Learn about the symptoms and treatment of this condition that involves swelling and irritation of…

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Drinking alcohol: Is it safe after hepatitis C cure?

Your hepatitis C infection has been cured. But is it safe to drink alcohol again?

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Drug addiction (substance use disorder)

Drug addiction affects your brain and behavior to the point where you can't control your…

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Drug allergy

Learn which medicines are more likely to cause an allergic reaction, what symptoms look like…

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Drug-eluting stents: Do they increase heart attack risk?

Stents coated with a slow-release drug are safe when used with proper medications. Find out…

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Dry eyes

Eyes feeling dry and uncomfortable? Inadequate tear production is a common — and very treatable…

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Dry macular degeneration

Blurred or reduced central vision could be a sign of macular degeneration. Find out about…

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Dry mouth

With this condition, also known as xerostomia, the salivary glands in the mouth don't make…

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Dry mouth treatment: Tips for controlling dry mouth

To ease dry mouth, chew sugar-free gum or suck on sugar-free hard candy to keep…

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Dry orgasm

It's possible for men to reach sexual climax without ejaculating. Learn about the possible causes.

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Dry skin

Learn more about the causes of and self-care tips for a common flaky skin condition…

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Dry socket

This painful condition can happen after tooth removal. A blood clot where the tooth was…

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Ductal carcinoma in situ (DCIS)

Noninvasive breast cancer often has no symptoms. Find out about the causes, diagnosis and treatment…

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Dumping syndrome

People who have had stomach or weight-loss surgery can develop dumping syndrome, which causes cramping,…

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Dupuytren contracture

This condition causes one or more fingers to bend toward the palm of the hand.…

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Dural arteriovenous fistulas

Learn about these rare, irregular connections that can occur between arteries and veins in the…

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