I'm very grateful for the opportunity to disseminate science. I hope you enjoy this work, which is the result of a lot of hard work and dedication! Lactation is a critical period of development and deserves to be studied and explored more... Not much is known about the influences of these environmental factors on breast milk, which are associated with various diseases today, including those responsible for metabolic programming (ontogenetic plasticity), which imprints different susceptibilities in the adult life of infants.