Drugs used to calm inflammation in psoriasis may also help to combat the effects of Alzheimer's disease, a study on mice suggests.
Tests showed the short-term memory of the animals improved when given similar drugs, according to a study published in the journal Nature Medicine.
The build-up of proteins thought to destroy brain cells was also reduced.
Alzheimer's Research UK said brain inflammation was looking like a "key player" in the disease.
Psoriasis is an inflammatory disorder caused when the immune system attacks healthy skin cells, stimulating the production of new skin.
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