▁fundamental ▁part ▁of ▁h orm onal ▁control ▁in ▁the ▁body , ▁it ▁is ▁imp licated ▁in ▁many ▁different ▁conditions . ▁V apt ans ▁can ▁be ▁admin ister ed ▁or ally ▁or ▁int ra ven ously . ▁They ▁work ▁by ▁compet ing ▁for ▁the ▁active ▁sites ▁on ▁cells ▁meant ▁for ▁vas op ress in ▁binding — in ▁this ▁way , ▁the ▁vas op ress in ▁is ▁blocked ▁from ▁acting , ▁which ▁ear ns ▁the ▁title ▁of ▁vas op ress in ▁ant agon ists . ▁ ▁References ▁ ▁Category : D ru gs ▁acting ▁on ▁the ▁card i ov asc ular ▁system ▁Category : V as op ress in ▁re ceptor ▁ant agon ists <0x0A> </s> ▁Mark ▁M azz etti ▁( born ▁May ▁ 1 3 , ▁ 1 9 7 4 ) ▁is ▁a ▁two - time ▁Pul itzer ▁Prize - win ning ▁American ▁journalist ▁for ▁the ▁New ▁York ▁Times . ▁He ▁currently ▁serves ▁as ▁a ▁Washington ▁Investig ative ▁Cor respond ent ▁for ▁the ▁Times . ▁ ▁Life ▁M azz etti ▁was ▁born ▁in ▁Washington , ▁D . C . ▁He ▁attended ▁Reg is ▁High ▁School ▁in ▁New ▁York ▁City . ▁He ▁graduated ▁from ▁Duke ▁University ▁with ▁a ▁b ach elor ' s ▁degree ▁in ▁Public ▁Policy ▁and ▁History . ▁Later , ▁he ▁earned ▁a ▁master ' s ▁degree ▁in ▁history ▁from ▁Oxford ▁University . ▁ ▁Career ▁ ▁M azz etti ▁is ▁a ▁two - time ▁winner ▁of ▁The ▁Pul itzer ▁Prize . ▁In ▁ 2 0 0 9 , ▁he ▁was ▁part ▁of