evidence: However, many infants and children do not receive optimal feeding. For example, only about 44% of infants aged 0–6 months worldwide were exclusively breastfed over the period of 2015-2020. [...] Longer durations of breastfeeding also contribute to the health and well-being of mothers: it reduces the risk of ovarian and breast cancer and helps space pregnancies–exclusive breastfeeding of babies under 6 months has a hormonal effect which often induces a lack of menstruation. This is a natural (though not fail-safe) method of birth control known as the Lactation Amenorrhoea Method. [...] - not giving babies additional food or drink, even water, unless medically necessary;