What is the best way to express that a study is related to heart disease using "associated"?

The statement "The study is associated with an increased risk of heart disease" correctly captures the relationship between the study and heart disease while effectively utilizing the word "associated." This phrase indicates a correlation between the findings of the study and the likelihood of heart disease, which is key in research contexts where the aim is to highlight risk factors.

By stating that there is an "increased risk," it not only conveys that the study connects to heart disease but also emphasizes the significance of this association in terms of risk levels. This level of detail is important for communicating the implications of the study's findings.

The other options fail to convey this specific relationship effectively. For instance, merely stating a connection without mentioning increased risk does not clarify the nature of the association. Similarly, recognition in a study does not imply a direct relationship with risk, and saying that the study is distinct from heart disease suggests a separation rather than a relevant association. Thus, the chosen answer provides the clearest and most informative link to heart disease in the context of the study.