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After reading the letter you published about the potential dangers of the detergent sodium lauryl sulphate (SLS) (WDDTY vol 8, no 1) which is included in many common toothpastes, I contacted the toothpaste manufacturer Colgate
Many popular diet and nutrition books create the impression that the body's require ments for the essential nutrient vitamin A can be exclusively met with plant foods like carrots, squash, green leafy vegetables and orange coloured fruits