Tlhahlobong ea 2015, bafuputsi ba ile ba sekaseka liteko tse sebelisitseng khanya e khubelu le e haufi le infrared mesifa pele ho boikoetliso 'me ba fumana hore nako ea ho fihlela mokhathala le palo ea li-reps tse entsoeng ka mor'a phekolo ea khanya e eketsehile haholo.
"Nako ea ho fihlela mokhathala e eketsehile haholo ha e bapisoa le placebo ka metsotsoana e 4.12 'me palo ea lipheta-pheta e eketsehile ka 5.47 kamora ho phekoloa ka phototherapy."
