5 Foods You Shouldn’t Eat If You Have Psoriatic Arthritis

What to eat (and avoid) if you have psoriatic arthritis If you have psoriatic arthritis, there are a lot of reasons to eat healthy. The autoimmune disease, which strikes up to 30% of people who have psoriasis, can cause pain, swelling, and stiffness in the joints. And because extra pounds put added pressure on joints—potentially worsening psoriatic arthritis symptoms and leading to deterioration of the joints over time—patients should make it a goal to maintain a healthy weight, says Marie Jhin, MD, a board-certified dermatologist in the Bay Area who…

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