Hesitancy: Inability to initiate urination readily.
Hormone: A chemical produced and secreted by a gland that influences other organs.
Hormone Therapy: Treatment that decreases or eliminates hormones. Example: surgical castration removes the testicles, the principle source of androgens.
Hormone-dependent: Requiring hormones for survival. Examples include benign or cancerous prostate cells whose growth is supported by (and dependent on) androgens.
Hot Flash: Sudden unexpected wave of body heat resulting in discomfort and sweating; a frequent side effect of certain forms of androgen deprivation therapy.