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John O'Connor

John O'Connor is the founder of Gene Food, host of the Gene Food Podcast and a health coach trained at Duke's Integrative Medicine Program. Read his full bio here.

John O'Connor's Latest Articles

When to take a probiotic
August 23, 2020

When to Take a Probiotic? Why Technology Trumps Timing

According to the Food and Agriculture Organization of the United Nations and the WHO, probiotics are defined as living micro organisms that confer a health benefit on the host (aka… Read More

Vitamins what are they
August 20, 2020

What Are Vitamins And Why Do We Need Them?

The supplement industry is a 122 billion dollar behemoth, and it’s growing. We can debate the scientific validity of supplements back and forth for hours, and days, but how much… Read More

eggs cholesterol
July 18, 2020

I Ate 21 Eggs a Week for One Month: This is What Happened to my Cholesterol

Before I get started with this blog post, I want to emphasize that the results I am seeing here, are likely not the results you will see. N=1 experiments have… Read More

privacy for dna test kits and deleting results
July 7, 2020

How Easy is it to Delete Genetic Data from Popular DNA Sites?

The direct to consumer genetic testing industry is here to stay, but sales have cooled recently, in part due to privacy concerns. How easy is to use a genetics product… Read More

May 29, 2020

How I Achieved My Lowest ALT Levels in 5 Years

Sugar, or sucrose if you want to get fancy, is comprised of both glucose and fructose at the molecular level. While glucose can be used by every cell in the… Read More

May 18, 2020

My Experience With COVID-19 Antibody Testing: Breaking Down My Test Results

As someone living in New York City when the coronavirus pandemic was heating up, and especially as someone who had been in close contact with neighbors and friends recently returned… Read More

May 13, 2020

My Experience With Melatonin for Sleep: Benefits vs. Side Effects

When I am sleeping poorly, I turn to exercise, meditation, stress reduction, and yes, a handful of supplements I’ve found have value for a deeper, better night’s sleep. Melatonin is… Read More

April 7, 2020

The 4 Best CBD Products for Sleep and Anxiety

Perhaps the best known, and most proven, use for cannabidiol or “CBD” products is in treating epilepsy. In fact, the origin story of one of the oldest CBD brands, Charlotte’s… Read More

April 3, 2020

Sun Derived Vitamin D vs. Supplements: Is There any Difference?

Many of us are interested in the crucial role vitamin D plays in strengthening the immune system. We want to make sure we are getting the Vitamin D we need…. Read More

March 23, 2020

Why I Switched From Coffee to Matcha for my Morning Buzz

For the last year especially, I have been a coffee enthusiast like never before in my life. I’ve been buying “the good stuff” and even grinding my own beans. In… Read More

February 21, 2020

5 Practical Lifestyle Tips for Keeping Blood Sugar Low

When we eat carbohydrates, and sometimes even when we eat protein, the food is broken down into a simple sugar called glucose, which every cell in the body can use… Read More

February 19, 2020

In Defense of DNA Diets

Have you been Googling “do DNA diets work?” If you have, you may have found an article written by Scientific American titled “Matching DNA to a Diet Does Not Work.”… Read More

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