Are UK Commercial Expeditions Complying with Wilderness Medical Society Guidelines on Ascent Rates to Altitude?

The incidence of acute mountain sickness can be reduced by ascending slowly to altitude. We compared a recommended ascent rate with those offered by commercial companies to three of the most popular high-altitude destinations in the world. While the majority complied with the recommended ascent rate, ascents on Kilimanjaro did not. [ABSTRACT FROM AUTHOR]