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Human Papillomavirus (HPV)
HPV is a common sexually transmitted virus.
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Huntington's Disease
Huntington’s disease is a rare, progressive brain disorder. It gradually kills nerve cells in the brain, taking away physical and…
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Hypercoagulation
Hypercoagulation is when your blood forms a clot when it shouldn’t. This clot can then travel through your body. This…
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Hyperhidrosis
Hyperhidrosis is excessive sweating.
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Hyperparathyroidism
Hyperparathyroidism is a condition that causes you to have too much calcium in your bloodstream and not enough in your…
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Hyperthyroidism
Hyperthyroidism, or an overactive thyroid, means your thyroid gland makes too much hormone. This can cause weight loss, tremors, and…
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Hypopituitarism
Hypopituitarism is a disorder in which the pituitary gland doesn’t make enough hormones.
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Hypothermia
Hypothermia is a medical condition. It occurs when you are exposed to bitter cold for a long time and your…
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Hypothyroidism
Hypothyroidism is an underactive thyroid. Your thyroid controls your metabolism, heart rate, muscles, bones, and other organs.