Men in a Danish study who worked out for 30 minutes a day lost more weight than those who worked out vigorously for a full hour each day.img width='1' height='1' src='http://rss.nytimes.com/c/34625/f/640346/s/23929476/mf.gif' border='0'/br/br/a href="http://da.feedsportal.com/r/145608229181/u/0/f/640346/c/34625/s/23929476/a2.htm"img src="http://da.feedsportal.com/r/145608229181/u/0/f/640346/c/34625/s/23929476/a2.img" border="0"//aimg width="1" height="1" src="http://pi.feedsportal.com/r/145608229181/u/0/f/640346/c/34625/s/23929476/a2t.img" border="0"/