Men's sexual health
Learning Center
X-linked agammaglobulinemia
This genetic disease weakens the immune system, mainly in males, and leads to having infections often.
Wolff-Parkinson-White (WPW) syndrome
This heart condition present at birth causes a fast heartbeat. Rarely, it can cause sudden cardiac death. Know the symptoms and how it's treated.
Wisdom tooth removal
If you don't have enough room in your mouth for wisdom teeth, or they're painful, infected or cause other dental problems, they may need to be removed.
Why isn't there a hepatitis C vaccine?
Hepatitis C vaccine development is far from straightforward, but experimental vaccines are under study.
Whooping cough
Learn more about the symptoms, causes, treatment of this highly contagious, vaccine-preventable lung infection.
When to brush your teeth
When should you brush your teeth? Learn how to protect your oral health.
What are superbugs and how can I protect myself from infection?
Some bacteria and other germs are resistant to most types of antibiotics and medicines that treat them. Find out the risks and how to prevent infections.
What are opioids and why are they dangerous?
Opioids are a broad group of medicines used to relieve pain. Although these medicines are effective, they can lead to addiction. Take them only as directed.
Von Willebrand disease
Learn more about the symptoms, causes, diagnosis, treatment of this inherited bleeding disorder in which blood doesn't clot well.
Video: Keratoconus
Scleral contact lenses may be an alternative to surgery for many patients with keratoconus.
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