Here's a reference for my comments on the decline of lactase production in adults and children after the first 3-5 years, in my post responding to Rachel O'Leary. Rachel had posted on (among other points) the marketing of "milk biscuits" made from bovine milk.
Robert K Montgorery, Hans A. Büller, Edmond H.H.M. Rings, et al., 'Lactose intolerance and the genetic expression of intestinal lactase phlorizin hydrolase', FASEB Journal, 5 (1991), pp. 2824-32.
Virginia
in Brisbane, Queensland
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