Infant and toddler health
Learning Center
Guide to different tick species and the diseases they carry
Learn about different tick species and some of the diseases they may carry.
Inherited metabolic disorders
Caused by gene changes, these disorders affect the body's ability to change food into energy. They also affect how energy is used, such as for cell repair.
Types of dermatitis
Learn to identify types of dermatitis by how the skin looks. Examples include atopic dermatitis, contact dermatitis and seborrheic dermatitis.
How you hear
Your ears enable you to gather and interpret sounds from the world around you.
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.
Heart arrhythmia
Learn about common heart rhythm disorders that can cause your heart to beat too fast, too slow or irregularly.
Knee pain
Learn about this common complaint, which can result from an injury or medical condition, and find out which treatments may help.
Diabetes insipidus
Learn more about this unusual disorder that disrupts the body's fluid balance, causing too much urination and possibly leading to dehydration.
Allergy skin tests
Considering skin testing for your allergies? Learn about the risks, results and what to expect during testing.
Radiation therapy
Radiation therapy is a common means of treating many types of cancer. Find out what to expect during your radiation therapy treatment.
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