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 ...

Lactose-free milk is cow's milk that's safe for people with lactose intolerance ... still contains potential allergens, such as casein and whey. Approximately 36% of the United States population ...

Lactose-free milk is only an option for people who cannot digest regular milk, not for those with a dairy allergy. People with a dairy allergy react to the whey and casein proteins, which are ...