228 FOOD FACTS What mothers can do now towards keeping children fit all next winter CHILDREN usually look their best during the open-air, summer months, and so mothers often think that at this time of year they don't need the cod liver oil and orange juice provided for every child in the country under 5. Every young child needs the vitamins in cod liver oil and orange juice every day without fail, summer and winter, if they are to have full robust health and be able to resist infection in the cold, dark days of winter.