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Greek Diet

Whether you’re concerned about the food you eat, your daily habits, your hormones, or your heredity – blood tests offer vital insight into how well your body works.

As a consistent follower of Renegade Health, or as a current or potential patient of mine, a health trend junkie, or even as a curious reader, chances are you are already pretty health conscious.

We know that our environment and the choices we make influence not only our overall wellness but the health of our organ systems, even down to our cells.

What type of tissue, unlike any other, continuously flows through our body, picking up signals, transporting chemicals, nutrients, and hormones from all of our organ systems, diffusing them exactly where needed? You guessed it – our blood.

As simple as it may sound, blood is connective tissue made from the same building blocks as our bones, nerves, and muscles, but instead of remaining stable in the same location, blood cells are constantly moving.

Your Blood Doesn’t Lie

Our blood knows us better than any other tissue. It encounters the vast expanses of our body three times every minute and is always in flux.

Everything we eat, the air we breathe, the genetic material that codes how our bodies are built, our hormones, and even toxins pass through our bloodstream.

Blood and Diet Interconnect

The food we eat or choose not to eat creates the elements of our body. Food leads our energy levels, drives metabolism, tunes our immune response, and makes our body’s ability to function properly. Our blood transports nutrients to every tissue.

The scientific evidence is clear: temporary diets do little to impact our long-term health as compared to what I refer to as lifestyle diets. These are foods we eat over a lifetime. Whether determined by tradition or consciously chosen, for a healthy lifestyle, one requires a diet with clear boundaries. For example: following the Mediterranean diet or avoiding wheat if you are gluten intolerant are important lifelong decisions. A lifestyle diet could be as simple as never eating added sugar, or as involved as a strict Paleo Diet.

Health, Disease, and Dietary Markers in Blood

To determine the real benefits and drawbacks of your diet, it’s important to know how your choice of foods impact your health. Blood and genetic testing are the most unbiased way to learn about your health and impact of lifestyle, diet, and genes.

A nutritional profile blood test can give insight into what essential nutrients your diet provides, and what areas can be improved. For people who are changing their eating habits with the goal of a particular health improvement, this knowledge can be crucial. For example: learning your vitamin B12 or iron levels if you eat a strict vegetarian diet will help prevent anemia by added supplements or choosing foods that contain these nutrients.

Lifestyle Diets and Other Health Factors

If you’re concerned that your diet is meeting your body’s needs, a blood test reveals vital health information. The information a blood test provides is particularly the case of the more extreme lifestyle diets like Raw Veganism, Paleo, Gluten-Free, or Ketogenic. For example, a year eating a high raw vegan diet may show great improvements in some areas of health like increasing your Vitamin C and lowering LDL levels. However, over time nutrient gaps can occur, like vitamin B12 deficiency, or iron and calcium deficiencies. Nutrient insufficiencies like these can lead to serious health problems.

Knowing how your diet works over the long term eliminates the guesswork. The best way to discover if your diet is actually right for you is by doing periodic blood tests.

If you are interested how your diet influences your health, and have any of the following concerns, it is beneficial to get your blood tested. Your doctor is trained to evaluate markers of disease activity and organ function in your blood, including:

  • Kidney Function
  • Liver Function
  • Thyroid Problems
  • Hormone Imbalance
  • Inflammation
  • Cholesterol Levels
  • Glucose Levels
  • Immune System Issues

How to Get a Blood Test

A general practitioner can prescribe nutritional profile blood tests, and in some cases, your health insurance may cover the cost. Or, you can skip the doctor’s visit and order your tests online. PersonaLabs, DirectLabs, or LifeExtension are three of many options.

To help others take charge of their health, I designed specific profiles for PersonaLabs that you can order without a prescription. For example, my Optimal Vegan/Vegetarian Profile Blood Test includes tests for iron, vitamin B12, and vitamin D. To help you learn the meaning of your blood test results, I created The Complete Blood Test Blueprint.

The new direction in lifestyle diet assessment is genetic profiles. These are done easily at home with a sample of saliva and cells from inside your mouth. I recommend my patients and followers get regular blood testing plus a genetic profile to determine the benefits, and deficiencies, of their diet.

Dr. J. E. Williams


Dr. Williams is a pioneer in integrative and functional medicine, the author of six books, and a practicing clinician with over 100,000 patient visits. His areas of interest include longevity and viral immunity. Formerly from San Diego, he now resides in Sarasota, Florida and practices at the Florida Integrative Medical Center. He teaches at NOVA Southeastern University and Emperor’s College of Oriental Medicine.

Visit Dr. Williams’ Website: https://drjewilliams.com/

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