The best substitute for summer sunshine promotes growth and builds sound bones and teeth. Just the help mothers need. An essential food every child should have during winter is a daily teaspoonful of pure cod liver oil. It is a rich source of vitamins, essential for growth, vitality and well formed bones and teeth. It is an economical food that prevents rickets and corrects deficiencies of diet and sunshine, increases resistance against colds and other infections and builds up the system after sickness.