Yоur next pаtient is а 36-yeаr-оld female cоming into the clinic today to see you in your primary care clinic for an exacerbation of her psoriasis. Her psoriasis was diagnosed in middle school. It seems that her lesions are getting thicker, and scalier as she gets older. She has been using different topical treatments for years and she is wondering if there is any "new treatment". She does not have any other health issues. She is excited about spending more time outside during the spring. She loves to run and do other outdoor activities. Which of the following statements is true about psoriasis?