The "hormone of desire," testosterone, acts on the brain to stimulate sexual interest, sensitivity to sexual stimulation, and orgasmic ability in both sexes. The amount of testosterone circulating in a woman's blood declines by about 50 percent between her twenties and fifties. The most common complaint associated with this decline is a seemingly unexplainable decrease or loss of sexual desire and enjoyment.

In I'm Not in the Mood, Dr. Reichman reveals the effectiveness of small doses of testosterone in reviving sexual desire and pleasure for women. Questions answered and...