1. A method of providing health and/or wellness services, comprising: receiving data about a plurality of self-selected subjects, the data being not necessarily clean; aggregating at least some of the data; mining at least some of the aggregated data at least in part by employing a statistical algorithm, a data-mining algorithm and/or a machine-learning algorithm; receiving a health and/or wellness related inquiry from one of the plurality of self-selected subjects; and drawing an inference about the health and/or wellness of the one of the plurality of self-selected subjects based on data received about the one of the plurality of self-selected subjects and the health and/or wellness inquiry.