High Sodium Intake Linked to Increased Risk of Psoriasis, finds study
Researchers have found in a new study that Higher dietary sodium consumption is associated with an increased likelihood of developing psoriasis. Further findings suggest that reducing sodium intake may offer potential benefits for individuals at risk of or affected by psoriasis.
Sodium is stored in the skin and may trigger or perpetuate autoimmune diseases including psoriasis. One previous study found skin sodium was elevated in a small group of patients with severe psoriasis compared to healthy controls, but the relationship between sodium intake and psoriasis within a population has not been investigated.
A study was done to identify whether dietary sodium intake is associated with psoriasis and whether there are subgroups of individuals more likely to have salt-sensitive psoriasis. This cross-sectional, population-based study evaluated a UK Biobank cohort of nearly 500,000 participants in the 2006–2010 period and a US-based National Health and Nutrition Examination Survey (NHANES) validation cohort of 2393 participants in the 2003–2004 period. Dietary sodium intake, the exposure, was estimated using urine biomarkers and the previously validated INTERSALT equation.
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