WEST LAFAYETTE, Ind. -- Many people who claim to be lactose intolerant really aren't, says Dennis Savaiano, dean of Purdue University's School of Consumer and Family Sciences. The problem, Savaiano ...

that we Jews are largely predisposed to lactose intolerance. Several studies suggest that 60 to 80 percent of Ashkenazim are lactase-deficient (lacking the enzyme that allows for easy digestion ...