In recent decades, peanut allergy issues have received increasing attention due to their potential danger and increasing incidence worldwide. With funding from the National Institute of Allergy and Infectious Diseases, researchers at King's College London University have reached a conclusion: Eating peanut-containing foods from a young age will greatly reduce the risk of allergies to peanuts. Which of the following, if true, would best support the above conclusion:. ['Babies have eaten eggs for 4 months, which significantly reduces their risk of allergies to eggs.', 'After children stop eating peanut products on a regular basis, the effect of preventing peanut allergies will still exist.', 'National Institute of Allergy and Infectious Diseases recommends infants take peanut products to prevent allergies.', 'Babies who eat peanut products regularly have a reduced risk of peanut allergy by the age of 5.']