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  1. Motion sickness 
    Motion sickness is a common condition characterized by a feeling of unwellness brought on by certain kinds of movement. The usual symptoms include dizziness, pale skin (pallor), and sweating, followed by ...
    https://medlineplus.gov/genetics/condition/motion-sickness - Genetics
  2. Tetrahydrobiopterin deficiency 
    Tetrahydrobiopterin deficiency is a rare disorder characterized by a shortage (deficiency) of a molecule called tetrahydrobiopterin or BH4. This condition alters the levels of several substances in the body, including phenylalanine. ...
    https://medlineplus.gov/.../condition/tetrahydrobiopterin-deficiency - Genetics
  3. CDKL5 deficiency disorder 
    CDKL5 deficiency disorder is characterized by seizures that begin in infancy, followed by significant delays in many aspects of development.Seizures in CDKL5 deficiency disorder usually begin ...
    https://medlineplus.gov/genetics/condition/cdkl5-deficiency-disorder - Genetics
  4. Catecholaminergic polymorphic ventricular tachycardia 
    ... polymorphic ventricular tachycardia (CPVT) is a condition characterized by an abnormal heart rhythm (arrhythmia). As the heart ... disorder in their family.When CPVT is caused by mutations in the CASQ2 gene, the condition almost ...
    https://medlineplus.gov/...ergic-polymorphic-ventricular-tachycardia - Genetics
  5. 22q11.2 deletion syndrome 
    22q11.2 deletion syndrome (which is also known by several other names, listed below) is a disorder caused by the deletion of a small piece of chromosome ... are often present from birth, recurrent infections caused by problems with the immune system, and distinctive facial ...
    https://medlineplus.gov/genetics/condition/22q112-deletion-syndrome - Genetics
  6. Tay-Sachs disease 
    ... is a rare, inherited disorder that is characterized by neurological problems caused by the death of nerve cells (neurons) in the ... called a cherry-red spot, which is identified by eye examination, is characteristic of this disorder. Children ...
    https://medlineplus.gov/genetics/condition/tay-sachs-disease - Genetics
  7. Craniometaphyseal dysplasia 
    Craniometaphyseal dysplasia is a rare condition characterized by thickening (overgrowth) of bones in the skull (cranium) and abnormalities in a region at the end of long bones known as the metaphysis. ...
    https://medlineplus.gov/.../condition/craniometaphyseal-dysplasia - Genetics
  8. Spinal muscular atrophy 
    Spinal muscular atrophy is a genetic disorder characterized by weakness and wasting (atrophy) in muscles used for movement (skeletal muscles). It is caused by a loss of specialized nerve cells, called motor ...
    https://medlineplus.gov/genetics/condition/spinal-muscular-atrophy - Genetics
  9. Shingles 
    ... also known as herpes zoster) results from infection by the varicella zoster virus. This common virus causes chickenpox (also known as varicella), which is characterized by itchy spots on the skin that cover the ...
    https://medlineplus.gov/genetics/condition/shingles - Genetics
  10. Rhabdoid tumor predisposition syndrome 
    Rhabdoid tumor predisposition syndrome (RTPS) is characterized by a high risk of developing cancerous (malignant) growths called rhabdoid tumors. These highly aggressive tumors are called rhabdoid because their cells resemble rhabdomyoblasts, ...
    https://medlineplus.gov/.../rhabdoid-tumor-predisposition-syndrome - Genetics
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