Psoriasis runs in my family; my grandma had it, my dad had it, and I was fortunate to only have a touch of it on my elbows. Treatment about 20 years ago was a tar solution--liquid or gel. It worked for me, but not for my dad. I knew an elderly lady in Pennsylvania that actually had to take tar baths as her condition was so debilitating; she not only had skin problems, but the joint pain and deformity known as psoriatic arthritis. Psoriasis is annoying, painful, itchy, and relentless. I'm sure you've all seen the commercials running on TV about new "biologics" to clear and even cure psoriasis. Knowing that lasers can also clear psoriasis, I set out to understand the available options, and find out if lasers--rather than drugs--could relieve this prevalent malady.Drug treatments Biologics or biosimilars are taken by injection or IV infusion. With names like Stelara, Humira, Cosentyx, Enbrel, and Taltz, these drugs block proteins (tumor-necrosis-factor alpha or TNF-alpha and interleukin or IL) and/or T cells involved in the inflammatory and immune response of the body. And while these drugs do work, they also reduce your immunity to other diseases, including cancer, as the medication is delivered to the entire body rather than the targeted skin location.