Hormone Glossary

An enzyme that converts testosterone, the male sex hormone, into the more potent dihydrotestosterone (DHT).

A putative health disorder in which the adrenal glands are claimed to be exhausted and unable to produce adequate quantities of hormones, primarily cortisol. Also called hypoadrenia and adrenal insufficiency.

Not aging or appearing to age.

Multidimensional process of physical, psychological and social change in humans over time.

A hormone produced by the cortex of the adrenal gland, instrumental in the regulation of sodium and potassium reabsorption by the cells of the tubular portion of the kidney.

Hair loss occurring in only one section.

Also called SDAT (senile dementia Alzheimer's type). This disease is characterized by a general loss of intellectual ability and impairment of memory, judgment and abstract thinking, as well as changes in personality. Other symptoms include loss of speech, disorientation and apathy. Alzheimer's disease is the most common cause of dementia, rarely occurring before the age of 50. The disease takes from a few months to four or five years to progress to complete loss of intellectual function.

Any group of drugs that stimulate the central nervous system, resulting in elevated blood pressure, heart rate and other metabolic functions.

A class of steroid hormones related to the hormone testosterone. They increase protein synthesis within cells, which results in the buildup of cellular tissue (anabolism), especially in the muscles.

A steroid hormone, such as testosterone or androsterone, that promotes male characteristics.

The male counterpart of menopause, when the production of testosterone decreases and there are accompanying mental symptoms.

A condition marked by a deficiency of red blood cells or of hemoglobin in the blood, resulting in pallor and weakness.

Medicine focused on preventing, slowing, or reversing the effects of aging and helping people live longer, healthier, happier lives.

Distress or uneasiness of mind caused by fear of danger or misfortune; a state of apprehension.

An enzyme or complex of enzymes that promotes the conversion of an androgen (like testosterone) into estrogens (like estradiol).

A basic standard or level; guideline that can serve as a comparison or control.

The increased size of the prostate in middle-aged and elderly men. Also referred to as nodular hyperplasia, benign prostatic hypertrophy or benign enlargement of the prostate (BPE).

An ingredient used to bind together two or more other materials (ingredients) in mixtures: a binder used in medication.

The degree to which or rate at which a hormone or other substance is absorbed or becomes available at the site of physiological activity. (bio-available)