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Post-vasectomy pain syndrome
Learn about post-vasectomy pain syndrome (PVPS) — How it happens after a vasectomy, tests to diagnose it and treatment options.
Video: How to use a single-dose dry powder inhaler
Watch these step-by-step instructions for using a single-dose dry powder inhaler.
Retractile testicle
Find out about this condition that allows the testicle to move between the scrotum and groin.
How your brain works
Which part of your brain does what? Take a tour.
Cholesterol test
Measuring the amount of cholesterol and triglycerides in your blood can help predict your risk of blocked arteries in your heart and brain.
Sclerotherapy
Learn what's involved in this treatment for varicose veins, including the risks and what to expect.
Palliative care
Learn what to expect with this care approach that offers symptom relief for seriously ill people of any age.
Vitamin D deficiency
What are the risks of too little vitamin D?
Influenza (flu)
Learn more about the symptoms, causes and prevention of this potentially fatal viral infection that attacks the respiratory system.
Mononucleosis: Can it recur?
Mono can return in some rare cases. Learn why that happens.
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