<div class="separator" style="clear: both; text-align: center;"><a href="http://3.bp.blogspot.com/-YExZ19-VMvQ/T6u2Qd0XR5I/AAAAAAAAQ_s/MQMnwh_KTwM/s1600/stairs3.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="265" src="http://3.bp.blogspot.com/-YExZ19-VMvQ/T6u2Qd0XR5I/AAAAAAAAQ_s/MQMnwh_KTwM/s400/stairs3.jpg" width="400" /></a></div><span style="font-family: Verdana, sans-serif;"><span style="background-color: white; color: #333333; font-size: 13px; line-height: 18px; text-align: left;"><br /></span></span><br /><span style="font-family: Verdana, sans-serif;"><span style="background-color: white; color: #333333; font-size: 13px; line-height: 18px; text-align: left;">I really liked this study:</span><a href="http://www.sciencedirect.com/science/article/pii/S0091743500906340" rel="nofollow nofollow" style="background-color: white; color: #3b5998; cursor: pointer; font-size: 13px; line-height: 18px; text-align: left; text-decoration: none;" target="_blank">http://www.sciencedirect.com/science/article/pii/S0091743500906340</a><span style="background-color: white; color: #333333; font-size: 13px; line-height: 18px; text-align: left;">&nbsp;Abstract: Twenty-two sedentary college-aged women walked up 199 steps – more than you’re likely to find at home,</span><span class="text_exposed_show" style="background-color: white; color: #333333; display: inline; font-size: 13px; line-height: 18px; text-align: left;">&nbsp;but doable in a high-rise – in 2.25 minutes, a “brisk but comfortable” pace which shot their heart rates up to 90 percent of their predicted maximum.<br /><br />They progressed from one ascent per day during the first week to six ascents per day, for a total of 13.5 minutes over the course of a day,during the sixth and seventh weeks.<br /><br />By the end of this modest exercise program, the women were measurably more fit: Heart rate, oxygen uptake and blood lactate levels during climbing were reduced, and their HDL (”good”) cholesterol levels had increased.<br /><br />Another article on stair climbing here:<a href="http://gymequipmentinformation.com/stair-climber" rel="nofollow nofollow" style="color: #3b5998; cursor: pointer; text-decoration: none;" target="_blank">http://gymequipmentinformation.com/stair-climber</a></span></span>