Diet and exercise
Learning Center
Video: How to use a single-dose dry powder inhaler
Watch these step-by-step instructions for using a single-dose dry powder inhaler.
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.
Benign prostatic hyperplasia (BPH)
This common problem, also known as an enlarged prostate, can be treated.
Broken collarbone
This common injury is usually the result of falling, playing sports or being in a traffic accident.
Bone spurs
Joint damage due to osteoarthritis is the most common cause of these bony growths.
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