“…A study by Rustam et al, in 2019 in Riau Province, Indonesia, reported that infants who did not receive exclusive breastfeeding had a risk of about 1.7 times increasing the incidence of ARI compared to infants who exclusively breastfed after being controlled by smokers at home and immunization variables [ 16 ]. Another study also showed that babies who were weaned early could increase the risk of ARI, where babies who were weaned early had a 2.7 times risk of suffering from ARI compared to babies who were weaned according to their age [ 17 ].…”