This is an article about how housing conditions can cause health problems.
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1447157/
This is an article that shows a possible correlation between low birth weight and inequality.
http://www.sciencedaily.com/releases/2016/01/160129091634.htm
1. The article about low birth weight was based off of a study done at the University of Washington. It was posted on a website which specializes in science articles containing scientific studies and breakthroughs. It is intended for an audience of people who want to learn about these scientific findings. The purpose of this particular article was to inform people of a study and make them think about the fact that many people are set up for health issues from the moment they are born. This may help them form opinions on changes that should be made to our healthcare system to prevent this, or at the very least, lower it in the future.
2. The research in this article is from a specific study performed at the University of Washington. It is used as a baseline for the article because without it, it would not be a science based article, just opinion.