Dr. Cass is author of several popular books, including:
- Supplement Your Prescription: What Your Doctor Doesn’t Know About Nutrition
- 8 Weeks to Vibrant Health: A Woman’s Take-Charge Program to Correct Imbalances, Reclaim Energy, and Restore Well-Being
- Natural Highs: Supplements, Nutrition, and Mind/Body Techniques to Help You Feel Good All the Time
- St. John’s Wort: Nature’s Blues Buster
- Kava: Nature’s Answer to Stress Anxiety and Insomnia
- A User’s Guide to Ginkgo
- A User’s Guide to Vitamin C
- A User’s Guide to Herbal Remedies
She is also a member of the Advisory Board of Health Sciences Institute, Taste for Life Magazine, and Total Health Magazine, and an advisory board member of California Citizens for Health. She consults to the supplement industry regarding formulations, and has developed several under her own label.
Incorporating nutritional principles and natural health techniques in her practice for more than 20 years, she is one of the nation's foremost authors and speakers on the subject of integrative medicine. She regularly appears on radio, television, including The View, The CBS Evening News and MSNBC, where she successfully debated a “Quackbuster” challenger. She is quoted as an expert in the field in publications such as the Los Angeles Times, The Toronto Star, Cosmopolitan, Time Magazine, and People Magazine. Her speaking topics to both lay and professional medical audiences include complementary medicine and psychiatry, anti-aging, women's health (including bio-identical hormone therapy), stress reduction, and natural treatments for addictions, anxiety disorders, and depression.
Visit Dr. Cass’s website at www.cassmd.com





