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Researchers Dive Deep into Biophotons

July 29, 2026

Illustration by Adrià Voltà | Source: Nature

All living things emit an incredibly faint, invisible glow known as "biophotons," which are produced primarily by metabolic reactions in cell mitochondria. Long dismissed as pseudoscience due to unproven claims about human auras and quantum coherence, the field is gaining mainstream interest because of sensitive imaging technology.

One remarkable study was conducted by researchers from the University of Calgary in Canada, in which they captured the distinct glow of live mice compared to dead ones. The study demonstrated that emissions fluctuate with a cell's health and stress levels. Consequently, researchers are exploring biophotons as a non-invasive diagnostic tool to detect conditions such as cancer, cardiovascular disease, and neurodegenerative disorders by mapping the light emitted by damaged or altered tissue.

Beyond diagnostics, scientists are investigating the theory that biophotons serve as a hidden cellular communication network. While critics point out that these weak emissions could easily be swamped by background noise, studies show that cells separated by transparent barriers can influence one another's behavior and that certain cellular components are naturally equipped to absorb specific wavelengths of light. Some quantum physicists even speculate that the brain might utilize biophotons for advanced signaling, potentially using insulated nerve fibers as miniature fiber-optic cables to guide light. Though still highly speculative, proponents believe that proving the existence of light-based communication could fundamentally reshape our understanding of biological regulation and cognitive processing.

Read more from Nature.


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