10 Benefits of Breastfeeding 1 Better mental development 2 Better mouth formation and straighter teeth 3 Protection against chest infections and wheezing 4 Less likelihood of cot death 5 Protection against diarrhoea, gastroenteritis and tummy upsets 6 Faster return to pre-pregnancy figure 7 Less likelihood of eczema 8 Protection against ear infections 9 Lower risk of ovarian and pre-menopausal breast cancer for mother 10 Lower risk of diabetes for babies