Eczema may sometimes be caused by eating too much salt

[Pelican Press 0]

Eczema may sometimes be caused by eating too much salt

Too much salt is already known to raise blood pressure

towfiqu ahamed/iStockphoto/Getty Images

Eating too much salt has been linked to eczema after researchers found people with the skin condition have elevated levels of sodium in their ******. 

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worldwide have eczema, which causes dry, cracked and itchy skin. Common triggers include irritants found in soaps and detergents, as well as environmental or food allergens. Previous research has also

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in children. 

To see if salt may play a role,

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at the University of California, San Francisco (UCSF), and her colleagues examined ****** sample data from more than 215,800 adults in the *** Biobank study, of whom more than 10,800 had eczema.

The researchers used a ****** sample from each participant to estimate their ******** sodium excretion over 24 hours.

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, making the waste product a relatively reliable way of gauging someone’s salt consumption.

Overall, the study participants excreted an estimated 3.01 grams of sodium in their ****** over 24 hours, on average. The recommended sodium intake for adults

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, equivalent to 6 grams, or one teaspoon, of salt. 

The researchers found that for every additional gram of sodium that the participants excreted, their odds of having been diagnosed with eczema rose by 11 per cent. Their risk of having eczema at that time also increased by 16 per cent.

The team acknowledges that a single ****** sample may not accurately reflect a person’s typical salt intake. But in another part of their study, the researchers surveyed a separate group of more than 13,000 adults in the US about their daily diet, finding further correlations between a high salt intake and eczema. 

Previous research has shown that

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, triggering some inflammatory pathways, says Abuabara. People with eczema have an overly active immune response to allergens or irritants, which causes skin inflammation and subsequent symptoms.

Although the study shows an association between high ******** sodium levels and eczema, further work is needed to establish that the former causes the latter, says team member

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, also at UCSF.

It is too early to say that lowering dietary sodium levels can reduce eczema severity or the risk of developing it in the first place, says

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at King’s College London.

Abuabara says her team will soon start enrolling people to take part in a study funded by the US National Institutes of Health looking at the relationship between dietary sodium, levels of sodium on the skin and eczema severity.

Topics:

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diet,skin
#Eczema #caused #eating #salt

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