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kidshealth library

health & safety topics

Your child's health and safety is our top priority. Please search our resource library for information on health, nutrition, fitness, injury prevention and other important topics.

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A to Z: Hypoplastic Left Heart Syndrome

Learn about hypoplastic left heart syndrome, a rare and serious defect of the heart.

A to Z: Hyposmolality

Learn about metabolic conditions and conditions that can affect fluid and electrolyte levels in the blood.

A to Z: Hypospadias

Hypospadias is a birth defect in which the tube that carries urine out of the body, called the urethra, opens on the underside of the penis.

A to Z: Hypothermia

Hypothermia is a medical emergency resulting from dangerously low body temperature.

A to Z: Hypothyroidism

Hypothyroidism is when the thyroid gland doesn't send enough thyroid hormone into the blood.

A to Z: Hypoxemia

Hypoxemia is a condition in which there is a lower than normal level of oxygen in the blood.