Something must be at work to explain why we are therefore many times more complex. Regulatory sequences present one of several emerging explanations for how exactly we do even more with fewer genes. .. 60 new genes controlled by regulatory sequences Researchers worldwide are seeking to define ancient parts of our genetic code that might soon be as important to medical science while genes. A new wave of research is concerned with, not how genes function, but how small regulatory DNA sequences tell genes where, when and to what level to start.It does not spread by touching or cloth. It really is non contagious. It could be aggravated by certain medications like NSAIDs, anti malarial medicines, beta blockers, withdrawal of oral steroid etc. Patients with more severe psoriasis may have social embarrassment, job stress, emotional distress, and other personal issues due to the appearance of their skin. The sources of psoriasis are the combination of many factors like emotional, environmental, genetical etc.