Milk is rich in high calcium content and is generally considered good for children's health, but a recent study on the growth pattern of children suggests the kids who are consistently allergic to cow‘s milk are smaller and weigh less. Young adults with persistent cow's milk allergy may not reach their full growth potential. In addition to children allergic to cow's milk being shorter, the height discrepancy was more pronounced by ages 5 to 8 and ages 9 to 12. As these children often have multiple food allergies and other conditions, such as asthma, there are likely factors besides simply avoiding cow's milk that may contribute to these findings. These children also tend to restrict foods beyond cow's milk.

According to the Centers for Disease Control and Prevention food allergy with milk, eggs, fish, shellfish, wheat, soy, peanuts and tree nuts accounting for the most serious allergic reactions Because there is no cure and such allergies can be life-threatening, most people eliminate one or more major allergen from their diets.

“Avoidance of food items is the only way to control the symptoms of food allergy”