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hyperglycemia
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Abnormally high blood sugar.
Ãâó: www.stjude.org/glossary
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Hypericum perforatum
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St. John's wort. An herbal product sold as an over-the-counter treatment for depression. It is being studied for its ability to lessen certain side effects of cancer treatment.
Ãâó: www.stjude.org/glossary
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hyperthyroidism
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Too much thyroid hormone. Symptoms include weight loss, chest pain, cramps, diarrhea, and nervousness. Also called overactive thyroid.
Ãâó: www.stjude.org/glossary
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hyperkeratosis
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A condition marked by thickening of the outer layer of the skin, which is made of keratin (a tough, protective protein). It can result from normal use (corns, calluses), chronic inflammation (eczema), or genetic disorders (X-linked ichthyosis, ichthyosis vulgaris).
Ãâó: www.stjude.org/glossary
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hypernephroma
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The most common type of kidney cancer. It begins in the lining of the renal tubules in the kidney. The renal tubules filter the blood and produce urine. Also called renal cell cancer.
Ãâó: www.stjude.org/glossary
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