Staying healthy
Learning Center
Types of psoriasis
Learn to identify types of psoriasis, such as guttate psoriasis and scalp psoriasis, by appearance.
Placenta: How it works, what's normal
Understand how this pregnancy organ works and what conditions can affect it.
Allergies and asthma: They often occur together
Allergies and asthma? Find out how to control both conditions.
Yeast infection in men: How can I tell if I have one?
Yeast infections can occur in men, causing inflammation of the penis (balanitis). Learn what signs and symptoms could mean you have a yeast infection.
Bladder infection in men
Although women are more likely to get bladder infections, men can get them, too. Learn about signs and symptoms and what could put you at risk.
Video: Ovulation
Ovulation — the release of an egg from an ovary — occurs about midway through the menstrual cycle. See how it happens.
Bacterial vs. viral infections: How do they differ?
Understand the differences between bacterial and viral infections.
Iron deficiency in children: Prevention tips for parents
Learn how much of this key mineral your child needs and what the health risks of not getting enough are.
How your brain works
Which part of your brain does what? Take a tour.
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