What causes eczema?

BBC Earth (Asia) - - Science -

Although it’s com­mon, eczema is not fully un­der­stood. It of­ten has a ge­netic ba­sis and around one-third of chil­dren with eczema also have food al­ler­gies and many have asthma. Suf­fer­ers have an over­ac­tive im­mune sys­tem, which re­sponds ag­gres­sively to ir­ri­tants. Eczema can also be caused by an ab­nor­mal im­mune re­sponse to bod­ily pro­teins. Flare-ups have a wide range of causes, in­clud­ing heat, soap, skin prod­ucts, and ill­nesses such as the com­mon cold. A UK team from New­cas­tle re­cently came a step closer to an ef­fec­tive treat­ment, after iden­ti­fy­ing how a skin bar­rier pro­tein called fi­lag­grin af­fects eczema path­ways. ED

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