However, according to the American College of Allergy, Asthma, and Immunology, only 2% to 3% of children under 3 years old have a milk protein allergy.
Fear of food allergies makes some parents reluctant to give their babies cow's milk-based formula. However, according to the American College of Allergy, Asthma, and Immunology, only 2% to 3% of children under 3 years old have a milk protein allergy.