Lactose intolerance occurs in people who can’t digest ... Dr. Karan Rajan is a certified NHS surgeon from London with over seven years of experience. After graduating from Imperial College ...

Secondary lactose intolerance can feel abrupt and occurs because of an issue in your small intestine, where lactase is produced. According to NHS inform, damage can be caused by an infection ...

Intolerance is not an allergy and can develop at any age. The NHS says that a milk allergy affects one in 50 infants and young children, but rarely continues after one year and most children will ...