We measure ultra-weak photon signals emitted from the hand of a human subject, either spontaneously or gradually decaying after local stress has been induced with five concentrations of H₂O₂. We analyze the photon distributions of both spontaneous and stimulated number of photons per measuring interval (bin sizes) according to statistics measure Fano Factor which leads to quantum optics, g⁽²⁾(0). We also fit either semi-classical based exponential or quantum grounded hyperbolic curves to the decays. Both indicators point towards an adequate description of the photon signal in an interpretation that is quantum. We extend the interpretation towards the suggestion of a quantum coherent aspect of the subject which, once placed in a therapeutic perspective, links to the holistic views on health.