Breastfeeding in children who had received no antibiotics before weaning can help decrease the number of antibiotic courses after weaning as well as reduce body mass index (BMI) later in childhood finds a new study. The findings showed that children who were breastfed and used no antibiotics before weaning showed better resistance to diseases. The protective effect of breastfeeding against high body mass index in later childhood was evident only in the children with no antibiotic use during the breastfeeding period said Katri Korpela from University of Helsinki in Finland. (Read: Timing of exposure to sunlight influences your Body Mass