Complex sentence: A systematic review of studies, published in "Dermatology and Therapy" in 2015, noted that moderate sunlight is a treatment recommended by the American National Psoriasis Foundation, and suggested that clinicians consider UV phototherapy and tanning beds as a source of that therapy.
Split into simpler sentences: A systematic review of studies, published in "Dermatology and Therapy" in 2015, noted that moderate sunlight is a treatment recommended by the National Psoriasis Foundation. The study recommends that clinicians consider UV phototherapy and tanning beds as a source of that therapy.