How do synchronized swimmers hold their breath for so long?

Canadian synchronized swimmers Karine Thomas and Jacqueline Simoneau say learning to hold their breath underwater is part of their regular training. The duo will compete at the Pan Am Games in Toronto this summer. (June 25) THE CANADIAN PRESS Did we get it right? The Canadian Press is Canada’s most trusted news leader in providing real-time, bilingual multimedia content for online, mobile and emerging platforms.