Scientists prove how emotions can modify your DNA

The irony of the title of this article is that science is not really ‘proving’ anything, it is simply offering an explanation for a timeless spiritual truth that exists as a fundamental universal law. Universal laws operate independently of belief and govern our existence in this reality. We can either accept this and begin to work in harmony with them or we can choose to disbelieve and hand submit ourselves to the mercy of our own distortion and those of the collective consciousness, which tend to be quite chaotic. Which will you choose?

Cheer up, think and feel uplifting thoughts” – maybe you often give yourself these words of advice when feeling ill, worried or out of sorts. Intuitively, the human being knows this but is better when science validates what you feel inside.

Actually, scientific evidence in the last half century clearly shows that your emotions – the good ones and the bad – affect you in multiple ways: health, job performance, relationships and much more. Whether you feel them naturally or intentionally – for exemple: “today I will think and feel only good thoughts” – your emotions are kind of like the old adage, “you are what you eat.”

Throughout much of human history, academic scrutiny of emotions was largely the province of philosophers. Historical records abound from the ancient Chinese, Greeks and other cultures with philosophical discussions about human emotions. The nature and meaning of emotions was prominent in the consciences and writings of Confucius, Plato, Aristotle, Descartes, St. Thomas d’Aquino and Machiavelli among others.

It was not until the 19th century that substantial written empirical analyses of emotions began to emerge, when noteworthy figures such as Darwin and Freud took more scientific approaches.

After being within the domain of philosophers for thousands of years, emotions are now closely scrutinized in 21st century research laboratories, where scientists can actually observe their effects on human DNA.

‘Intention’ shown to be potent force

Here are some fascinating findings from research that HeartMath Institute’ (IHM) scientists uncovered. Cell biologist Glen Rein and IHM Research Director Rollin McCraty conducted a series of experiments in the early 1990s involving DNA and intentionally generated emotions. A decade later interest in these experiments persisted.

After numerous requests, McCraty summarized their data and published the results of the research in 2003 in a brief report titled Modulation of DNA Conformation by Heart-Focused Intention: “The results provide experimental evidence to support the hypothesis that aspects of the DNA molecule can be altered through intentionality,” Rein and McCraty wrote. “To our knowledge, this study was the first to correlate specific electrophysiological modes with the ability to cause modifications in a biological target (DNA) external from the body. The data indicate that when persons are in a heart-focused, loving state and in a more coherent mode of physiological functioning, they have a greater ability to modify the conformation (shape or structure) of DNA.”

Participants in the experiments included a test group of persons trained and experienced in HeartMath’s heart coherence-building techniques and a control group who were not. Each test group participant held a DNA sample in a test tube and was directed to use three different methods – one at a time in separate trials – to make a sample wind or unwind. Each control group participant only focused on achieving the same result using one method.

Heart coherence

It is important to note that the purpose of training test group participants in HeartMath techniques was so they could generate high states of coherence, which the researchers believed would be the key to proving their hypothesis: heart-focused intention can modify the conformation of a closely controlled DNA sample in a test tube. Coherence is a state marked by more ordered, or coherent interactions between the organism’s various systems, including more ordered heart rhythms.

Following are the methods each group used to pursue to affect DNA samples:
• Hold the intention of causing the DNA to modify while maintaining a heart-focused state, generating feelings of love and appreciation.
• Maintain a heart-focused state, but with no intention of causing the DNA to change.
• Have the intention of causing the DNA to modify while in your normal state.
• Maintain a heart-focused state with the intention causing the DNA to modify.


Individuals capable of generating high ratios of heart coherence … were able to modify DNA conformation according to their intention,” Rein and McCraty found. Generally, participants with the highest levels of coherence affected the samples the most.

Control group participants showed low ratios of heart coherence and were unable to intentionally alter the conformation of DNA. It is important to note that both the intention to cause a modification and heart coherence were important variables in the outcomes of the experiments.”

In their report, Rein and McCraty addressed the issue of whether test subjects’ physical proximity to DNA samples – they did, after all, hold the test tubes in their hands during the experiments – could cause them to modify in any way. The issue was whether the energy from the electromagnetic field generated by the human heart could make modifications to the DNA samples. “A number of nonlocal studies in which people hold an intention to affect a biological system over longer distances have also revealed dramatic effects,” Rein and McCraty wrote. “In these studies the distance between the targets and the people holding the intention are well beyond the range at which conventional electromagnetic fields could conceivably mediate the effect.”

They cited one of the nonlocal studies they conducted in which an individual was 0.5 miles away from a DNA sample. “In this example, the intention was to increase the winding of the DNA. … Results from a series of five nonlocal trials (including the 0.5-mile test) demonstrated a significant modification in DNA conformation.”

The results of Rein and McCraty’s experiments raise some interesting possibilities, which they discuss in their report. “While the DNA utilized in this experiment was derived from an exogenous (external) source, it is likely that a person’s own DNA would be more ‘tuned’ or resonant, and therefore even more responsive, to that person’s intentions,” they said. “Thus, though clearly in need of further testing, it is conceivable that persons could influence their own DNA through a top-down process such as that described … potentially producing effects of even greater magnitude than those observed in this study.”

Following are other potential implications from these experiments. The authors note that they require further research:
• Because the modifications in DNA in these experiments actually occur biologically in a number of vital cell functions, including DNA replication and repair, the concept that human intention can influence processes in human cells is supported.
• The finding that heart coherence was key in achieving the results of these experiments may help lead to a better understanding of the role of positive feelings and attitudes in these critical areas: health and healing; phenomena such as the placebo effect; spontaneous remission in cancer; the health rewards of a strong faith; and the positive effects of prayer.

So, when you find yourself feeling mildly anxious or your thoughts are headed towards a downward spiral, then quickly shift your attention to the area of the heart. Imagine your breath passing in and out through your heart area or the center of the chest as you slowly inhale and exhale. You breathe in an attitude of calm and balance as if you were taking in an emotional tonic that takes off the rough edges. You also pursue breathing in a feeling of gratitude or compassion – or whatever attitude you find most soothing. As you shift into a positive feeling, you notice when you feel the release. You may often feel genuine appreciation for the former uncomfortable physical sensations being replaced by the comforting ones.


October 6, 2021



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