Maharaj, M.E., et al. · Energy Psychology: Theory, Research, and Treatment · 2016
A pilot study comparing an hour-long EFT session with placebo in 4 non-clinical participants found differential expression in 72 genes, including genes associated with tumor suppression, UV radiation protection, insulin resistance regulation, immune function, antiviral activity, and neural plasticity.
This tiny pilot used saliva, not blood, to look at gene activity — a genuinely non-invasive way to catch a molecular fingerprint of what an hour of tapping does inside the body. Seeing changes across 72 genes tied to immune defense, cell repair, and nervous-system function after a single session, compared to a placebo condition in the same people, is a proof-of-concept that tapping's effects might reach all the way down to gene activity, not just mood.
If a signal like this replicates at scale, it opens the door to a strikingly low-barrier form of evidence-gathering, a cheek swab and a single self-administered session, that could eventually help identify which specific biological pathways a free, learn-in-minutes technique is nudging, and inform who might benefit most.
With only four participants, the immediate priority is repeating this exact salivary mRNA protocol in a much larger sample to see which of the 72 genes replicate reliably versus which were noise. From there, researchers could track whether the genes involved in immune function and cell repair correspond to measurable downstream changes, like inflammatory blood markers (CRP, IL-6) or wound-healing speed, turning this molecular snapshot into a testable, whole-body cascade.
| Design | Biology / mechanism |
|---|---|
| Participants | 4 people |
| Population | non-clinical adult volunteers (4 participants) |
| Comparison group | placebo comparison within the same small sample |
| Outcome measures | salivary mRNA / gene expression across multiple gene categories |
| Journal | Energy Psychology: Theory, Research, and Treatment |
| Year | 2016 |
| Country | United States |
| Language | English |
| Method | EFT / tapping |
| Publication type | Study / trial |
| Verification | ✓ Confirmed against the primary source |
Maharaj, M.E., & et al. (2016). Differential Gene Expression after Emotional Freedom Techniques (EFT) Treatment: A Novel Pilot Protocol for Salivary mRNA Assessment. Energy Psychology: Theory, Research, and Treatment.
This record is part of the Tapping Evidence Base — an openly-sourced, fully-referenced directory of the research on EFT/tapping. Explore more studies on How It Works (Biology)
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