Second trimester
Learning Center
Hepatitis B
This highly contagious virus can cause long-lasting problems if it goes untreated. Learn about the symptoms, treatment and prevention of this serious liver infection.
Learning disorders: Know the signs, how to help
Here's how to find out what's going on if your child often has trouble with reading, writing or other skills.
Signs of labor: Know what to expect
Know exactly what to expect as your due date approaches and your body prepares for delivery.
Mayo Clinic Minute: Easing the itch of mosquito bites
Mosquito bites are a common summer nuisance. Learn the best way to stop yourself from scratching.
How your brain works
Which part of your brain does what? Take a tour.
Types of psoriasis
Learn to identify types of psoriasis, such as guttate psoriasis and scalp psoriasis, by appearance.
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