(BPT) - Jimmy Castillo has always welcomed new adventures. The Southern California native enjoys traveling and exploring new corners of the world. But after decades of global exploration, his most unexpected journey began close to home — in his doctor's office.

At age 39, Castillo started noticing patches of painful, pus-filled blisters across his body, including his hands and lower back. Though he had been diagnosed with plaque psoriasis decades earlier at age 15, he knew immediately that this was something different.

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