Preschoolers
Learning Center
Knee pain
Learn about this common complaint, which can result from an injury or medical condition, and find out which treatments may help.
Influenza (flu)
Learn more about the symptoms, causes and prevention of this potentially fatal viral infection that attacks the respiratory system.
Mild cognitive impairment (MCI)
Learn more about this stage between the typical cognitive decline of aging and the more serious decline of dementia.
Overactive bladder
Learn how you can get relief for sudden urges to urinate, which may point to overactive bladder or urinary incontinence.
Breast cancer
Learn about this common cancer, including information on prevention, symptoms, diagnosis and treatment.
Glaucoma
Regular eye exams may catch glaucoma early and save your eyesight. Find out about symptoms and treatment for this vision-stealing eye disease.
Pneumonia
Pneumonia — Learn about the symptoms, causes and treatment of this serious lung infection.
Kidney cysts
These round, fluid-filled pouches on or in the kidneys are sometimes discovered during imaging tests. Find out when treatment may be needed.
Kyphosis
This exaggerated, forward rounding of the back is often caused by osteoporosis in older women. Spinal malformations can cause kyphosis in infants or teens.
Hodgkin lymphoma (Hodgkin disease)
Learn how this cancer differs from other lymphomas. Find out about risk factors and treatments, such as chemotherapy, radiation and bone marrow transplant.
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