People with psoriasis or psoriatic arthritis who have larger body sizes tend to report more difficulty with daily activities, as measured by standard health questionnaires.

People with psoriasis or psoriatic arthritis have about 6% more fat around their internal organs than people without these conditions, even when they have the same body weight.

More visceral fat in psoriasis patients is linked to worse cholesterol profiles, increasing heart disease risk.

People with psoriasis or psoriatic arthritis have slightly more fat under the skin than healthy people with similar body weight, though this difference is not statistically significant.

More visceral fat in people with psoriasis is linked to higher insulin resistance, a key factor in diabetes risk, based on statistical analysis of the data.