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Liz Earle looks at the latest research into Britain’s most popular health supplement and explains how it can be used to relieve a variety of ailments, including arthritis, psoriasis and eczema.

Bestselling beauty and wellbeing writer Liz Earle’s fully revised and updated quick guide to cod liver oil, including:

– The history of the oil and its legendary properties
– How essential fatty acids work
– The latest research into the oil for arthritis
– How it helps the skin (including eczema and psoriasis problems)
– A dosage guide for the family