Normal babies secrete lactase in abundance and thus have no difficulty in digesting mothers' milk, cows' milk or comparable substitutes.
But most adults of European ancestry do produce lactase -- and that enzyme production seems to be linked to one single genetic variant, which, the study authors write, must have .
The Healthy Table: Adjust diet for lactose intolerance but don't miss out on calcium Lactose intolerance is the inability to digest or break down lactose, a sugar found in milk and dairy products. It is caused by a shortage of lactase, an enzyme produced by the small intestine that is needed to digest lactose. While not life-threatening, the symptoms of this condition can be uncomfortable. But there are many adjustments you can make to your diet to minimize the symptoms of ...
Nov. 24, 2013 - Detroit Free Press