Steam cooking - Are the benefits really as good as they 'steam' to be?

It seems steaming food is the latest trend in Australian kitchens with a wealth of benefits on offer. A 2009 study (http://www.jzus.zju.edu.cn/article.php?doi=10.1631/jzus.B0920051) published in SCIENCE B, the Biomedicine and Biotechnology Journal of Zhejiang U ..