Onion roots exposed to ~1-13 µW/cm² RF radiation from cell towers showed “enhancement of oxidative stress and genotoxicity.” The higher the exposure, the greater the effect. Levels are orders of magnitude lower than most exposure limits.
From Guru Nanak Dev University, Amritsar, India.
https://microwavenews.com/papers/cell-tower-radiation-enhances-oxidative-stress-and-genotoxicity