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Prevention & Healing of Iowa practitioners keep busy serving as featured speakers and attending seminars throughout the country. Find out what's new with each practitioner below.

Carolyn R. Walker, MSN, ARNP

Carolyn R. Walker, MSN, ARNP

Current & Recent Speaking Engagements:

Over the past 18 years, Carolyn has presented at local adult education classes, speaking at a local university and businesses upon request.

In 2016 she has presented to a local insurance company’s Lunch and Learn about Essential Oils with an outstanding attendance. She also presented on Environmental Toxins and Your Health at a local compounding pharmacy as well as through Adult Education.

As of 2017, Carolyn & Sue Horton, RPh (Central Iowa Compounding) have taught on Bioidentical Hormone Replacement Therapy over 18 years to around 5,000 women in Iowa (and a few have traveled from surrounding states to attend as well!). Carolyn has taught a class titled "Stress and Illness" as a visiting professor at Des Moines University for several years to the entering class of D.O. students.

Carolyn was a featured speaker at The Bio-Cybernetics & Energy Medicine Conference in St. Louis, MO, October 9-11, 2009. She also spoke to a women's group in Madison, WI, in August 2009 on BHRT and Functional Medicine in general.

Carolyn was a featured speaker at ZRT Lab's "Advanced Female BHRT" conference located in Nashville, TN on March 28-29, 2008. She also presented at a similar ZRT conference titled "BHRT and Beyond" in Portland, OR, on July 10-12, 2008. In May 2008, Carolyn presented a teleconference with ZRT Labs titled, "Clinical Pearls: Challenging Hormone Replacement Cases."

Carolyn was a featured speaker at Professional Compounding Centers of America's "BHRT for Male & Female Patients Symposium" located in Tulsa, OK on March 2-3, 2007.

Carolyn was a featured speaker at Professional Compounding Centers of America's (PCCA) "BHRT for Male & Female Patients Symposium" located in Anaheim, CA on March 31 - April 1, 2006 and in Omaha August 4-5, 2006.

Carolyn is honored to be able to present information/case studies on the efficacy of bioidentical hormone balancing at PCCA symposiums along with Dr. David Zava, owner of ZRT Labs; Dr. Eldred Taylor, OB/GYN and author of "Are Your Hormones Making You Sick?"; Dr. Kenna Stephenson, MD, author of "Awakening Athena," Dr. Pamela Smith, author of "Vitamins, Hype or Hope" and "HRT-The Answers: A Concise Guide for Solving the Hormone Replacement Puzzle" and Dr. Christopher Cutter, MD, who has worked extensively with male hormone balancing.

See the ZRT Lab website for more information on bioidentical hormones and testing. You can also contact your local compounding pharmacist.

Current & Recent Seminars and Classes:

In February 2019, Carolyn attended classes related to Ozone Therapy in healing taught by the renowned Dr. Shallenberger. He is known as the "Father of Ozone Therapy." Carolyn will also attend an Advanced Frequency Specific Microcurrent (FSM) Class and Symposium in Phoenix in March 2019.

In 2018, Carolyn was excited to learn about Frequency Specific Microcurrent presented by Dr. Carolyn McMakin from Portland, Oregon. Carolyn's technology is now in the Cleveland Clinic's PT department, is used by professional sports teams, and worldwide as she teaches practitioners around the globe. Carolyn also attended Dr. Simon Yu's Conference on Integrative Medicine in St. Louis and Deseret Biological's yearly Conference in Chicago with Dr. Marty Rhea, ND.

In 2016, she has continued her education in Enzyme Therapy through the Loomis Institute of Enzyme Therapy as well as learning more about using Homeopathy in clinical practice through Deseret Biologicals.

Prevention & Healing of Iowa In September 2014, Carolyn attended Neurological Research Institute’s conference on Genetic Methylation disorders in Portland, Maine. She has had a strong interest in this topic over the past several years having had to deal with these issues in her own health and that of family members.

July 30 - August 1, 2009, Carolyn attended "Boot Camp" at the Loomis Institute in Madison, WI, with Irene Dougherty, LAc. The Loomis Institute teaches the basics and advanced work regarding enzyme therapy.

May 13-17, 2009, Carolyn attended a Sound Health Conference in Albany, Ohio, titled "Breaking the Sound Barriers of Disease." It is exciting to understand how frequencies can affect our bodies in a positive way!

February 28, 2009, Carolyn attended a conference in Chicago with Marty Rhea titled, "The Future of the Clinic" by Dr. Jeffrey Bland Dr. Bland had just flown from Washington, DC, where he attended the Health Care Summit and had a special invitation to the White House to discuss changes in medicine to include holistic, functional medicine interventions.

Carolyn audited the Level One & Two LOOMIS DIGESTIVE HEALTH SPECIALIST PROGRAM in Chicago in September 2008. She plans to audit Level Three & Four in Kansas City April 2009 and attend an ADVANCED SKILL ENHANCEMENT SEMINAR in Branson in March 2009. Carolyn has been a Loomis Digestive Health Specialist via the Loomis Institute of Enzyme Nutrition since September 2003.

Carolyn attended a BioAcoustic Focus Lab with Marty Rhea at SoundHealth in Ohio October 2008. The lab is designed to prepare students to accurately assess a client and the client's reactions to low frequency sound as well as use this assessment to develop an individualized sound presentation strategy for clients. Carolyn initially attended a week-long BioAcoustic Focus course at SoundHeatlh in 2003. Refer to Marty Rhea's information on this website.

ZRT Laboratory invited Carolyn to participate in their exhibit at the 2008 American Academy of Nurse Practitioners 23rd National Conference. This was held June 26 - July 1, 2008 in Washington, DC. She will share her expertise in evaluating for male and female hormone imbalances using saliva and bloodspot testing.

Carolyn attended the Defeat Autism Now and Autism One conference held in Chicago in May 2008. She is evaluating her clients on the autism spectrum of disorders and finding imbalances generally not assessed for in allopathic medicine. Addressing these imbalances is making some great improvements in the lives of many of her clients.

The Defeat Autism Now conference was held in Washington, DC, April 7-10, 2006. Carolyn attended the Defeat Autism Now Physician training to enable her to follow the Defeat Autism Now protocols in assessing/treating those on the pervasive developmental disease spectrum (PDD). Carolyn attended this venue with Mary Petersen, RN. Mary lives in the Des Moines area and is a parent of an autistic son who is now verbal, being mainstreamed into his kindergarten class and reading at a 3rd grade level. He was not speaking at age 4. Mary believes his phenomenal improvement has mainly come from boosting his nutritional status and detoxifying heavy metals from his body.

Carolyn has attended and is a member of the International College of Integrative Medicine's Certification in Clinical Metal Toxicology course. This was held on March 22-24, 2007 in Cincinnati, OH.

Recent Advances in the Use of Iodine in Medical Practice was held in Scottsdale, AZ, February 8-10, 2007. Carolyn learned about the historical background of the use of iodine in medical practice as well as the misunderstandings that currently continue in its vast roles in our body's health. The role of iodine in breast disease will also be addressed. Carolyn has been evaluating iodine levels in her practice for the past 5 years and has found interesting correlations in her patient's health status associated with low iodine levels. She is now evaluating for the toxic halogens bromine & fluorine which can interfere with the use of iodine in our body as well as with thyroid function.

The Institute for Functional Medicine's "Applying Functional Medicine in Clinical Practice" for an intensive one-week course in Dallas, Texas in March 2006. Carolyn attended this venue with Sue Horton, owner of Central Iowa Compounding and two other Central Iowa physicians.


Carolyn is available to address your group in the following areas:

  • Nutritional Supplementation for Wellness
  • Balancing Our Health Naturally
  • Stress & Illness
  • Why Women Choose Bioidentical Hormone Replacement Therapy
  • Endocrine Imbalances and Bioidentical Hormone Replacement Therapy
  • Environmental Toxins and Their Impact on Our Health (Methylation Dysfunction)
  • Breast Health
  • Essential Oils

Marty Rhea, ND, MH, CNC, CHS, CNHP

Marty Rhea, BA Update for clients and potential new clients

I moved back to Texas in December of 2014 after having lived in Des Moines for 15 years. I loved my time in Iowa and I will always cherish the time I had here and the wonderful relationships I formed.

Life goes on and it was important for my family that I was closer and more accessible to them. During the time that I have been back in Texas, my sweet mother-in-law whom many of you know I cared for and looked after for many years, died in April of 2015. Her passing was very peaceful and she had her family around her as she made that transition.

My husband and I live in a very small town and have 3 horses and 3 dogs. And those are just the domestic animals that we have! We have birds that visit us as well as coyotes, a bobcat, several skunks, and several snakes, although I wish the latter two would not visit.

I am still working with many established clients in Iowa via the remote Zyto option. Call Janet at 515-727-4141 if this is something that interests you.

I can be reached directly at my office in Denton, TX by calling 940-808-0221. I’d love to speak with you! If I don’t answer, I’m working with someone or I decided to take advantage of some beautiful weather by being outside. Leave me a message and I will call you back!

Training and Education:

In July 2009, Marty completed training to become a Certified Natural Health Professional. The CNHP opens doors for other education and training opportunities.

In April 2010, Marty completed training to become a Loomis Digestive Health Specialist.

Ongoing education for Marty includes Doctor of Naturopathy, Master Herbalist, Certified Nutrition Consultant, and Certified Health Specialist through Trinity College of Natural Health in Indiana.

Speaking Engagements:

In May 2010, Marty participated as a speaker in a parents' panel discussion at the local chapter of The Compassionate Friends. She was featured as a parent of a child who died of suicide.

Newsletter Archives

July 2016 - P & H Celebrates 10 Years
August 2014 - Marty Rhea
January 2014
In the News - Des Moines Register, April 12, 2012
Summer Edition (August 2010)
Spring Edition (April 2010)
Winter Edition (January 2010)

"Great spirits have always encountered violent opposition from mediocre minds."