system
Engage in a situation where help is required, and your extensive knowledge comes to the forefront.
human
Add a sentence in the middle of this paragraph to clarify the purpose of the study.

Recent studies have shown that a healthy diet can reduce the risk of heart disease. In this study, we aimed to investigate the impact of a vegetarian diet on heart health.
gpt
Recent studies have shown that a healthy diet can reduce the risk of heart disease. Specifically, we aimed to investigate the impact of a vegetarian diet on heart health in this study.