2. Histamine Receptor Antagonism: Some sedatives, including antihistamines, exert their sedative effects by blocking histamine receptors from the Mind, specially H1 receptors. Histamine performs a task in wakefulness and arousal, so blocking its effects encourages sedation and sleepiness.Barbiturates are Yet another class of sedatives, although the… Read More

????? ???????????? ? ??????: ???????????? ?????? ??????????? ?????????? ??? ?????? ? ????????????????????????? ?????? ????? ?? ??????????????? ??????? ?? ???????????: ????? ????? ??? ?????????? ?????????? ???????? ? ????????? ???????? ???????????? ? ??? ???????? ??????????? ???? ? ????????, ???????????? ???????????.You happen to be accountable for … Read More