Medical

Deficiency of thyroid hormone which is normally made by the thyroid gland which is located in the front of the neck:

Overbreathing. Hyperventilation causes dizziness, lightheadedness, a sense of unsteadiness, and tingling around the mouth and fingertips.

Having an excessive amount of thyroid hormone resulting from an overactive thyroid gland or from taking too much thyroid hormone.

An increase in the number of normal cells in a tissue or an organ. Hyperplasia can represent a precancerous condition.

A common benign childhood condition involving hypermobile joints (that can move beyond the normal range of motion). Symptoms include pains in knees, fingers, hips, and elbows.

A higher-than-normal level of calcium in the blood. Hypercalcemia can be a result of malignancy, elevated parathyroid gland activity (hyperparathyroidism), or other conditions.

Prefix meaning high, beyond, excessive, or above normal, as in hyperglycemia (high sugar in the blood) and hypercalcemia (high calcium in the blood). The opposite of hyper- is hypo-.

One of the family of more than 100 viruses that are responsible for causing warts. Abbreviated HPV. The majority of HPVs produce warts on the hands, fingers, or face.

A hormone produced by the pituitary gland at the base of the brain in response to signals from the hypothalamus gland in the brain.