Physical chemists have clarified which chemical reactions take place during PUVA therapy. The therapy involves light-induced damage to the DNA of diseased cells. The term 'PUVA' stands for 'psoralen' ...

The term 'PUVA' stands for 'psoralen' and 'UV-A radiation'. Psoralens are natural plant-based compounds that can be extracted from umbelliferous plants such as giant hogweeds. Plant extracts ...