(Estrogen, in the form of birth control pills or for replacement therapy, is a lactation suppressant.) Both prolactin, the milk-making hormone, and oxytocin, the milk-releasing hormone, are produced in response to nipple stimulation.
concern(verb) To be of importance to. Synonyms: interest. concern. Anxiety is, according to its derivation, a choking disquiet, akin to anguish; anxiety is mental; anguish may be mental or physical; anguish is in regard to the known, anxiety in regard to the unknown; anguish is because of what has happened, anxiety because of what may happen.
Noun. 1. interest-a sense of concern with and curiosity about someone or something; an interest in music. involvement. enthusiasm-a lively interest; enthusiasm for his program is growing. concern-something that interests you because it is important or affects you; the safety of the ship is the captain's concern.