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}}</ref> Human milk should be the sole source of nutrition for the first six months, however the [[Canadian Paediatric Society]] recommends and the American Academy of Pediatrics recommend supplementation with Vitamin D, because of the northern latitude of Canada and lack of sunlight.<ref name="cps2013" /><ref name="aap2022" /> The American Academy of Pediatrics reports that, as compared with formula feeding, breastfeeding reduces Sudden Infant Death Syndrome, infant and neonatal mortality, lower respiratory tract infection, severe or persistent diarrhea, otitis media, asthma, eczema, Crohn's disease, colitis, childhood and adult obesity, diabetes, and leukemia.<ref name="aap2022" />