What is hormonology?
It's the first horoscope based entirely on your body's own natural hormone cycle. Using real scientific research, it's the newest, most accurate way to predict your day and plan your life.
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What is the Daily
Hormone Horoscope?
It's a fun, easy-to-read email every weekday that reveals the secrets hiding in your monthly cycle..
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About the book 28 Days
28 Days: What Your Cycle Reveals about Your Love Life, Moods, and Potential is the first daily hormone horoscope for women 15 to 50. Written by Hormonology founder Gabrielle Lichterman, 28 Days was named "One of the top 10 women's health books of 2005" by About.com.

As seen on...
ABC, CBS, FOX and NBC.
Featured in Cosmopolitan, CosmoGIRL, Glamour,
Ladies' Home Journal, Marie Claire, Self and Women's Health.