Peanut allergies in kids decline 10 years after experts recommend early infant exposure, study finds

In 2015, a group of medical experts told parents they should give their infants peanuts starting as young as four months. Now, 10 years later, that advice appears to have led to a dramatic decline in the number of babies who have developed peanut allergies. Dr. David Hill, co-author of the study, joins CBS News to break down the findings.