Below is an instruction from Human. Write a response.
    ### Instruction:
    what research (or clinical trials) is being done for Psoriasis ?
    ### Response:
    Scientists who are working to better understand and treat psoriasis are making headway in several different areas. The Role of T Cells Scientists believe that psoriasis occurs when white blood cells called T cells, which normally help fight infections, attack the bodys skin cells by mistake.
    