Kuphononongo luka-2015, abaphandi bahlalutye iimvavanyo ezisebenzise ukukhanya okubomvu nokukufutshane ne-infrared kwizihlunu ngaphambi kokuzilolonga baza bafumanisa ukuba ixesha lokudinwa kunye nenani leempendulo ezenziwa emva konyango lokukhanya landa kakhulu.
"Ixesha ngaphambi kokuba kudinwe linyuke kakhulu xa lithelekiswa ne-placebo ngemizuzwana eyi-4.12 kwaye inani lokuphindaphinda linyuke nge-5.47 emva konyango lwe-phototherapy."
