Invisible ID: How a single breath could reveal your health—and your identity

Scientists have discovered that your breathing pattern is as unique as a fingerprint and it may reveal more than just your identity. Using a 24-hour wearable device, researchers achieved nearly 97% accuracy in identifying people based solely on how they breathe through their nose. Even more intriguingly, these respiratory signatures correlated with traits like anxiety levels, sleep cycles, and body mass index. The findings suggest that breathing isn t just a passive process it might actively shape our mental and emotional well-being, opening up the possibility of using breath training for diagnosis and treatment.

source https://www.sciencedaily.com/releases/2025/06/250613013910.htm