“…128 Exclusive breastfeeding is not nutritionally adequate in the second half of the first year, especially beyond 12 months, although nursing can safely continue for several years when combined with adequate solids that provide protein, iron, and zinc. 128 Exclusive breastfeeding is not nutritionally adequate in the second half of the first year, especially beyond 12 months, although nursing can safely continue for several years when combined with adequate solids that provide protein, iron, and zinc.…”