Teen health
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What are superbugs?
Superbugs are strains of bacteria, viruses, parasites and fungi that are resistant to most antibiotics and other medications. These superbugs can cause pneumonia, urinary tract infections and skin infections. To protect yourself from harmful germs, wash your hands often with soap and water, or use an alcohol-based hand sanitizer. You can help slow the spread of drug-resistant bacteria by taking antibiotics properly and only when needed.
What is meant by the term "heart age"?
Heart age is a way to understand your risk of a heart attack or stroke. By making healthier lifestyle choices, you can lower your heart age and your risk.
When to brush your teeth
When should you brush your teeth? Learn how to protect your oral health.
Whooping cough
Learn more about the symptoms, causes, treatment of this highly contagious, vaccine-preventable lung infection.
Why isn't there a hepatitis C vaccine?
Hepatitis C vaccine development is far from straightforward, but experimental vaccines are under study.
Wilms tumor
Progress in the diagnosis and treatment of this kidney cancer have greatly improved the outlook for children with the condition.
Winter doesn't mean you can sideline the sunscreen
It's as easy to get sunburned in winter as in summer. Snow reflects the sun's rays, so sunburn is possible even if you're cold. When you're outdoors in the winter, wear sunscreen on any exposed areas. Use lip balm that contains sunscreen, too.
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.
X-linked agammaglobulinemia
This genetic disease weakens the immune system, mainly in males, and leads to having infections often.
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