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Infectious Mononucleosis What is infectious mononucleosis (mono)? Infectious mononucleosis is a type of infection. It causes swollen lymph glands, fever, sore throat, and often extreme fatigue. It’s often spread through contact with infected saliva from the mouth. Symptoms can

Tension Headaches What is a tension headache? Tension headaches are the most common type of headache. Stress and muscle tension are often factors in these headaches. Tension headaches often don’t cause nausea, vomiting, or sensitivity to light. They do cause a steady ache, rather

Phenylketonuria (PKU) in Children What is phenylketonuria (PKU) in children? Phenylketonuria (PKU) is a rare metabolic disorder. Children with PKU can’t process an amino acid called phenylalanine. Phenylalanine is in many common foods. It helps the body make protein. It's also

Rett Syndrome in Children What is Rett syndrome in children? Rett syndrome is a rare genetic developmental and neurological disorder. It almost exclusively affects girls. Children with this disorder often develop normally for their first 6 to 18 months. After that, they start to

Encephalitis in Children What is encephalitis in children? Encephalitis is inflammation of the brain. The inflammation causes the brain to swell. This leads to changes in a child's nervous system that can include confusion, changes in alertness, and seizures. Meningitis often

Multiple Sclerosis and Pregnancy What is multiple sclerosis? Multiple sclerosis (MS) is a chronic disease of the central nervous system, which is made up of the brain and spinal cord. MS is unpredictable. The symptoms of MS can range from mild to disabling, such as losing the

Bronchopulmonary Dysplasia (BPD) in Premature Babies What is bronchopulmonary dysplasia in premature babies? Bronchopulmonary dysplasia (BPD) is the general term for long-term breathing problems in premature babies. It is also called bronchopulmonary dysplasia (BPD)chronic lung

Urinary Incontinence What is urinary incontinence? Urinary incontinence (UI) is the loss of urine control. You may not be able to hold your urine until you can reach a restroom. It may be a short-term problem caused by another health issue. Or it may be a long-term problem that

Head Injury in Children What is a head injury in children? A head injury is any kind of damage to the scalp, skull, brain, or other tissue and blood vessels in the head. A head injury is also often called a brain injury or traumatic brain injury (TBI), depending on the extent of

Head Injury What is a head injury? A head injury is a broad term that describes many injuries that occur to the scalp, skull, brain, and underlying tissue and blood vessels in the head. Head injuries are also commonly referred to as brain injury, or traumatic brain injury (TBI)