at extremely low settings, and, if possible, to cool the premises before the arrival of people. They also suggest that people take vitamins A and E to reduce the risk of colds in the summer. 3 July 2012 Sergei Yolkin RIA-Novosti http://ria.ru/week_cartoons/20120703/690823091.html Comments Off 4 July 2012. RIA-Novosti Infographics. Leading Causes