I want to share with you why I wrote this book. I previously suffered with a weakened immune
system which led me to search the world for the answers that you are about to learn. In writing this
book I have literally drawn upon over 1,000 interviews that I have collected from over 26,000
leading researchers and scientists to help design the best approach to immune rejuvenation. I wrote
abstracts and blogs with my team of experts and presented my findings to doctors and scientists
all over the world at medical and nutritional conferences.
I was not always healthy. My first 23 years of life were filled with health struggles. At the age
of 12, I was not only extremely overweight, I also suffered with irritable bowel syndrome. I went
to a doctor who didn’t believe I was having diarrhea every day. I left dismayed however I went to
the medical library and found a nutrition textbook that helped me understand more about digestive
health. I discovered Latins, Asians, and Blacks react more severely than other races to yogurt,
cheese, whole and even nonfat cows milk. I realized these foods were making my condition worse
and within a few days of eliminating all dairy from my diet, the loose bowels were solved.
My health struggles didn’t end there though. From the age of 16 to 22, I struggled with
hypertension, skin conditions, hormonal imbalances including estrogen dominance, excessive

overeating, and a body fat level of over 25%. Most of these problems were solved with a plant-
based, oil-free, sugar-free diet, which I implemented after meeting and studying with Nathan

Pritikin. I also studied with the German doctor, Ron Duvendack, MD. He taught me the importance
of monitoring the immune system, and how to do so with blood microscopy, and white blood cell,
liver, kidney, and lipid metabolism analysis.
I learned how whole plant-based foods can alter inflammatory antigens and how the correct
combination of herbs and foods helps to build a healthier immune system. I also learned the
importance of using delayed food testing in order to identify potentially intolerant foods. The body
may view common foods you consume as foreign proteins which can make even the healthiest of
foods damaging to your body, and this is particularly common in people with autoimmune
diseases.
Adrenal fatigue was another huge piece of the puzzle of immune depression that I discovered.
If you get sick often, experience cravings or addictions, or have ongoing fatigue ask yourself the
following:
Do you feel tired even after a good night’s sleep?
Do you find it difficult to recover after exercise, especially after participating in extreme
sports?
Do you have constant colds, flu, and bronchitis that have lasted months which prevents you
from being able to exercise consistently?
If you answered yes to any of the above, adrenal fatigue is likely to blame.
For over 40 years I have been gathering more pieces of the puzzle through research, clinical
practice, anti-aging conferences, and lifestyle medicine events. I also gained essential insights

during my studies alongside some of the world’s leading endocrinology interventionists including
Thierry Hertoghe, MD, UC San Diego Professor Ron Rothenberg, Jonathan Wright, MD, Edwin
Lee, MD, and several others. They have all published several textbooks on hormone management
and longevity. I applied our collective findings to our clients and used lifestyle medicine (herbs,
sleep hygiene, stem cells, mitochondrial support, etc) to improve hormone balance, overcome
estrogen dominance and adrenal fatigue, and rejuvenate the immune system.
This was amazing, yet I discovered the ability to guide people on their journey toward optimal
health is best accomplished with the science of epigenetics. I continued to mentor students and
doctors while I became a high-level life mastery coach for Tony Robbins Mastery University. My
work with Tad James, Bruce Lipton, Ph.D., and Mark Victor Hansen, Author of Chicken Soup for
the Soul, the Ask series, and the number one trainer in TimeLine Therapy, helped me to realize
that when we include the power of the subconscious mind, we can help millions of people
transform their lives.
The proper integration of each of these therapies allowed for a personalized plan that was
reproducible. The turnaround in my health even though I am past the age of 65 has included my
participation in extreme nonstop weight-lifting sports which I love. My immune system according
to most of my doctor friends is extraordinary. Optimizing my clients’ health, many of whom are
famous doctors, fitness stars, and executives who are past the age of 60, 70, 80, or even 90 has
been an incredible journey!
To help make optimal health accessible to the masses, I started offering affordable online
courses, and podcasts that are aired on Spotify, iTunes, and YouTube, which is approaching 2
million views. Our coaching program is now personalized for each person based on their goals.
Hormonal imbalances, acne, estrogen dominance, chronic fatigue, inflammatory conditions,
cancer, respiratory distress, and those with depressed immune systems can and have been helped.
This book Blood Doesn’t Lie is the most exciting guide to take beginners and even advanced
enthusiasts of health to the next level with the most effective and advanced, yet surprisingly simple
lifestyle medicine solutions.
Nick Delgado, ABAAHP (American Board of Anti-Aging Health Practitioners) is a forerunner
of today’s Lifestyle Medicine movement with over 43 years of clinical experience.
Nick is the author of Grow Young and Slim eBook, and Simply Healthy Vegan Cookbook;
and the coauthor of Acne Be Gone for Good, along with Sonia Badreshia Bansal, MD,
dermatologist. He is also the author of Mastering Love, Sex, and Intimacy, which is endorsed by
John Gray, author of Men are from Mars – Women are from Venus.
Nick has always strived to present practical solutions to challenging health problems. His
YouTube channel is http://Youtube.com/DelgadoVideo.
His best shows connect to http://NickDelgado.com
His clients achieve outstanding results, and he is known as the guide who is not afraid to share
the truth. Ray Wilson, the founder of Family Fitness, says Dr. Nick is the person who is best suited
to “lead and mentor those who want to be heroes in their lifetime.”

Nick’s mission is to lead the health care system and media to help those struggling with chronic
diseases of aging or deficiencies which are preventable or even reversible. Enjoy this book Blood
Doesn’t Lie and share it with all of those you care about!
With Blood Doesn’t Lie I can now help people strengthen their immune systems within days.
The methods in this book support the body’s production of over 6 million white blood cells per
minute, which form antibodies with nearly one billion combinations to protect us from microbes,
fungi, viruses, bacteria, and toxins!

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