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The risk of having a baby with a congenital heart defect is influenced by family history and genetics, the mother’s health, sex, and exposure during pregnancy to environmental factors, such as smoke or certain medicines. Other medical conditions can also raise your risk for having a baby with a congenital heart defect.

Congenital heart defects happen because the heart does not develop normally while the baby is growing in the womb. Doctors often do not know why congenital heart defects occur. Researchers do know that genetics can sometimes play a role.

There are many types of congenital heart defects. They range from simple to complex and critical.

For most people with high blood pressure, a doctor will develop a treatment plan that may include heart-healthy lifestyle changes alone or with medicines. Heart-healthy lifestyle changes, such as heart-healthy eating, can be highly effective in treating high blood pressure.

Everyone age 3 or older should have their blood pressure checked by a healthcare provider at least once a year. Healthy lifestyle changes can help prevent high blood pressure from developing.

Factors that increase your risk for high blood pressure include unhealthy lifestyle habits such as eating too much sodium, drinking too much alcohol, and being physically inactive. Other risk factors include age, family history and genetics, race and ethnicity, and sex.

Learn how flexible sigmoidoscopy can detect ulcers, polyps, or cancer of the colon or rectum; how to prepare for the procedure; and what to expect afterward.

Provides information on Creutzfeldt-Jakob disease and NHPP's use of human growth hormones.

Hyperthyroidism, an overactive thyroid gland, can speed up your body’s functions. Learn about its causes, complications, symptoms, diagnosis, and treatment.

Overview of Hashimoto’s disease, an autoimmune disorder that can cause hypothyroidism.

Noisy Planet’s Teacher Toolkit will help you teach preteens about the causes and prevention of noise-induced hearing loss. It provides easy-to-use resources and step-by-step instructions for fun activities.

Si usted es un maestro, líder comunitario o profesional de la salud, sus interacciones cotidianas con los niños le dan oportunidades únicas para ayudarles a formar hábitos para una audición saludable para toda la vida.

Whether you’re a teacher, community leader, or health professional, your regular interactions with kids provide you with unique opportunities to help shape their healthy hearing habits for life.

¿Sabías que si escuchas los reproductores personales de música por demasiadas horas al día, a un volumen demasiado alto, puedes dañar tu audición? Este daño se va sumando con el tiempo y es permanente.

Did you know that listening to personal music players for too many hours a day, at too high a volume, can damage your hearing? This damage adds up over time, and it’s permanent.