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Condition
Peutz-Jeghers Syndrome and Cancer Peutz-Jeghers syndrome (PJS) is a rare, inherited condition. It's passed to a child from a parent. PJS is an autosomal dominant genetic disorder. This means you only need 1 copy of the altered (mutated) gene to have PJS. About 3 out of every 4
Condition
Allergy Overview What are allergies? Allergies are due to a problem with the body's immune system. Most allergic reactions happen when the immune system reacts to a false alarm. Normally the immune system attacks harmful things, such as viruses or bacteria. But sometimes it
Condition
Cancer Overview What is cancer? Cancer is an abnormal growth of cells. The whole body is made of cells that act and grow in controlled ways as the body needs them. Cells are controlled by genes. The genes in any cell in the body can be damaged. Then the cell can grow out of