Children's health
Learning Center
Hypertensive crisis: What are the symptoms?
A sudden rise in blood pressure over 180/120 mm Hg is considered a medical emergency, or crisis. It can lead to a stroke. Know the symptoms.
HPV infection: A cause of cancer in men?
Learn what types of cancer HPV can cause in men and how you can reduce your risk.
Nausea during pregnancy: A good thing?
Morning sickness is common during pregnancy. Understand what nausea and vomiting might mean while you're pregnant.
Air travel during pregnancy: Is it safe?
Consider these guidelines if you need to fly while you're pregnant.
Bacterial vs. viral infections: How do they differ?
Understand the differences between bacterial and viral infections.
X-ray during pregnancy: Is it safe?
Learn when an X-ray during pregnancy might cause harm and how to avoid it.
Menopause and high blood pressure: What's the connection?
For many women, menopause and high blood pressure seem to go together. Discover why.
COVID-19 drugs: Are there any that work?
Medicine can help people who are at risk of, diagnosed with, or have symptoms of COVID-19.
COVID-19 variants: What's the concern?
The virus that causes COVID-19 has changed over time, which has affected prevention, diagnosis and treatment of COVID-19.
Frequent sex: Does it protect against prostate cancer?
Some studies have suggested that frequent ejaculation may reduce the risk of prostate cancer. But other research hasn't supported this idea.
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