(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.
Worry(verb) to feel or express undue care and anxiety; to manifest disquietude or pain; to be fretful; to chafe; as, the child worries; the horse worries. Worry(noun) a state of undue solicitude; a state of disturbance from care and anxiety; vexation; anxiety; fret; as, to be in a worry. Origin: [OE. worowen, wirien, to strangle, AS. wyrgan in wyrgan; akin to D. worgen, wurgen, to strangle, OHG. wurgen, G. wrgen, Lith.