This is an interesting example of how objective scientific results can be reported sensationally in the news. A study finds and simply states that the parts of the brain known to be involved in addiction are changed in the brains of young adults that use marijuana recreationally. The first sentence of the newspaper article is: "Even casual use of marijuana could be messing up young people's brains at a time of life when they need to make major decisions, a new study finds." Where has objective reporting gone? Here are links to the study and the article: