Tag: warsaw


Jan Szelagiewicz: Losing 40 kg with Self-Tracking

August 27, 2014

On July 4th, 2009 Jan Szelagiewicz decided to make a change in his life. After taking stock of his personal health and his family history with heart disease he began a weight-loss journey that included a variety of self-tracking tools. Over the course of a few years Jan tracked his diet, activities such as cycling,…