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A detailed look at how to care for your hearing aid, including daily cleaning and changing batteries. Includes safety tips on keeping hearing aid batteries out of the reach of children and pets.

Electrocardiography (ECG) is a simple, fast test to check the electrical activity of your child's heart as blood moves through it. Abnormal ECG results may mean there's a problem with your child's heart.

Pulmonary atresia (PA) is a heart defect. It happens when the fetal heart doesn’t form as it should during the first 8 weeks of pregnancy.

Here's a look at just a few of the tests used to understand and identify cardiovascular disease.

Diabetes insipidus occurs when your body doesn’t make enough antidiuretic hormone (ADH). Learn more about this rare disease that causes you to urinate often.

Hearing aids are electronic, battery-operated devices that can make sound louder. A microphone receives the sound and converts it into sound waves. The sound waves are then converted into electrical signals.

Read about the many devices available to help improve communication for people with speech or hearing problems.

An electrocardiogram (ECG) is one of the simplest and fastest tests used to evaluate the heart. For this test, electrodes (small, plastic patches that stick to the skin) are placed at certain spots on the chest, arms, and legs. When the electrodes are connected to an ECG machine by wires, the electrical activity of the heart is measured, interpreted, and printed out.

At least 8 million people in the U.S. are living with an eating disorder. Read on for a helpful overview of the three main types of eating disorders.