Fitness basics
Learning Center
Pituitary tumors
Learn more about the symptoms, causes and treatment of growths that develop in the pituitary gland.
HER2-positive breast cancer: What is it?
HER2-positive breast cancer tends to be more aggressive than other types of breast cancer. Treatments that target HER2 are very effective.
Concussion in children: What are the symptoms?
Whether your child's concussion is mild or severe, allow time to recover.
Premenstrual dysphoric disorder: Different from PMS?
Extreme moodiness, intense sadness or marked irritability in the days before your period — along with your usual PMS symptoms — could be PMDD.
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.
How your brain works
Which part of your brain does what? Take a tour.
Types of dermatitis
Learn to identify types of dermatitis by how the skin looks. Examples include atopic dermatitis, contact dermatitis and seborrheic dermatitis.
Video: Ovulation
Ovulation — the release of an egg from an ovary — occurs about midway through the menstrual cycle. See how it happens.
Mayo Clinic Minute: What is hearing loss?
Learn about hearing loss types and causes.
Mayo Clinic Minute: Demystifying epilepsy
Epilepsy is a fairly common condition, but seizures can usually be controlled with medications.
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