Vitamin C megadosage the airways as a result of vigorous exercise. EIB seems to be caused by the loss of water caused by increased ventilation, which may lead to the release of mediators such as histamine, prostaglandins and leukotrienes, all of which cause bronchoconstriction. Vitamin C participates in the metabolism of these mediators and might thereby influence EIB. A meta-analysis showed that 0.5 to 2 g/day of vitamin C before exercise decreased EIB by half. A meta-analysis showed a significant positive effect of vitamin C on endothelial function. Benefit was found of vitamin C in doses in the range from 0.5 to 4
Days Of Jubilee: The End of Slavery in the United States Days Of Jubilee: The End of Slavery in the United States Days Of Jubilee: The End of Slavery in the United States is a 2002 book by Patricia McKissack and Fredrick McKissack which sets out the history of Abolitionism in the United States. "BookList", in its review of "Days Of Jubilee", wrote "The balanced perspective, vivid telling, and well-chosen details give this book an immediacy that many history books lack. " and "School Library Journal" wrote "Readers familiar with Civil War history will be fascinated by the wealth of information on African Americans' contributions to the war effort, but those