Let people add comments onto the article body, similar to Google Docs comments
By introducing a Highlight & Comment feature you could tap into the multiple perspectives and wisdom of your audience.
For example, when reading the below statement in 'Part 1', I wanted to add that it might be because of a sample bias and self selection -- i.e., those who are not receptive to stress are the ones ending pursing and excelling in those jobs:
"One puzzle is that studies of high ranking government and military leaders found they had lower levels of stress hormones and less anxiety, despite sleeping fewer hours, managing more people and having higher occupational demands.
One widely supported explanation is that having a greater sense of control (by setting their own schedules and determining how to tackle the challenges they face) protects them against the demands of the position."