White stool: Should I be concerned?
White stool may mean a serious liver problem. Learn about causes.
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White tongue
This is usually harmless, but sometimes it can be a sign of serious conditions, ranging…
繼續閱讀Whole-body vibration: An effective workout?
Whole-body vibration — Don't give up regular exercise and a healthy diet.
繼續閱讀Whole grains: Hearty options for a healthy diet
Whole grains have been linked to a lower risk of heart disease, diabetes and other…
繼續閱讀Whooping cough
Learn more about the symptoms, causes, treatment of this highly contagious lung infection that can…
繼續閱讀Why isn't there a hepatitis C vaccine?
Hepatitis C vaccine development isn't straightforward, but research into potential vaccines is underway.
繼續閱讀Wilms tumor
Progress in the diagnosis and treatment of this kidney cancer have greatly improved the outlook…
繼續閱讀Wilson's disease
This inherited disease causes copper to build up in vital organs, especially the liver, brain…
繼續閱讀Wisdom teeth removal: When is it necessary?
You may not need your wisdom teeth taken out if they're healthy and in the…
繼續閱讀Wisdom tooth removal
If you don't have enough room in your mouth for wisdom teeth, or they're painful,…
繼續閱讀Withdrawal method (coitus interruptus)
The withdrawal method — pulling the penis out of the vagina before ejaculation — isn't…
繼續閱讀Wolff-Parkinson-White (WPW) syndrome
This heart condition present at birth causes a fast heartbeat. Rarely, it can cause sudden…
繼續閱讀Women's sexual health: Talking about your sexual needs
Women's sexual health — Tips for talking about your sexual needs and achieving fulfillment.
繼續閱讀Working during pregnancy: Do's and don'ts
Working during pregnancy? Here's how to have a healthy, productive nine months on the job.
繼續閱讀Wrinkle creams: Your guide to younger looking skin
Do over-the-counter products work? Learn more about whether peptides, retinols and other anti-wrinkle cream ingredients…
繼續閱讀Wrist blood pressure monitors: Are they accurate?
Devices that measure blood pressure at the wrist may be an option for some people….
繼續閱讀Wrist pain
Wrist pain can be caused by many types of problems, ranging from sprains to arthritis….
繼續閱讀X-linked agammaglobulinemia
This genetic disease weakens the immune system, mainly in males, and leads to having infections…
繼續閱讀X-ray during pregnancy: Is it safe?
Learn when an X-ray during pregnancy might cause harm and how to avoid it.
繼續閱讀Yeast infection during pregnancy: Over-the-counter treatment OK?
Yeast infections are common during pregnancy. Medicines bought without a prescription most often are safe.
繼續閱讀Yeast infection in men: How can I tell if I have one?
When this infection occurs in men, it can cause swelling of the penis called balanitis….
繼續閱讀Yeast infection (vaginal)
Vaginal itching or burning could mean a yeast infection. Learn about other symptoms and treatments…
繼續閱讀Yellow tongue
Yellow tongue: Symptom — Overview covers definition and possible causes of a yellow tongue.
繼續閱讀Yerba mate: Is it safe to drink?
This herbal tea may help you feel more alert and focused, but find out what…
繼續閱讀Young-onset Alzheimer's: When symptoms begin before age 65
Young-onset Alzheimer's disease is a rare form of dementia that presents unique challenges. Learn more…
繼續閱讀Zenker's diverticulum
Find out the symptoms of this condition, how it causes a bulge to form in…
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