"The dependence of superoxide concentration and tissue regeneration on weak magnetic field strength in planarians exhibits a nonmonotonic behavior that classical physics struggles to explain."
"The model predicted increased superoxide concentrations at both hypomagnetic and higher fields (>500 Β΅T)."
"Superoxide (Oββ») along with hydrogen peroxide (HβOβ) are two of the most important reactive oxygen species (ROS). ROS are biologically important derivatives of oxygen that are vital for various cellular processes, including signaling."
"[...] our findings support a general RP hypothesis and bolster the case for a quantum-biological explanation for these magnetic field effects."
Glossary
Radical pair: A pair of molecules with unpaired electrons. Their quantum spin states can be influenced by magnetic fields.
Superoxide: A reactive oxygen species (Oββ») involved in cell signaling and immune defense.
Planarian: A type of flatworm with remarkable regenerative abilities, widely used in biological research. Their ability to regrow body parts makes them ideal for studying how magnetic fields affect tissue regeneration.
Verification of quantum biological predictions for weak magnetic field effects on superoxide in planarians
Rishabh et al. (2026) PNAS Nexus Journal Level 1β