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Hashimoto Thyroiditis
Hashimoto thyroiditis is an autoimmune condition in which the immune system mistakenly attacks thyroid tissue. Over time, this inflammation and damage can…
Heart Failure
Heart failure means the heart cannot pump or fill well enough to meet the body's needs. As a result, the body may…
Heat Exhaustion
Heat exhaustion is a heat-related illness that develops when the body cannot cool itself effectively. Excessive heat, sweating, and fluid loss can…
Hemochromatosis
Hemochromatosis is a condition in which the body absorbs too much iron from food and stores it in tissues and organs. Inherited…
Hyperopia
Hyperopia, also called farsightedness or hypermetropia, is a refractive error in which light focuses behind the retina instead of directly on it.…
Hyperparathyroidism
Hyperparathyroidism occurs when one or more of the four parathyroid glands make too much parathyroid hormone. This hormone helps control calcium levels,…
Hypertension
Hypertension, also called high blood pressure, means that pressure remains higher than healthy levels inside the arteries. It can affect adults of…
Hyperthyroidism
Hyperthyroidism occurs when the thyroid gland makes too much thyroid hormone, causing many body processes to speed up. It can lead to…
