Problem: A quantitative research method would be most suitable as it allows the researcher to collect numerical data and test hypotheses through statistical analysis (Creswell & Creswell, 2023). The study would collect data through controlled experiments, assigning one group of newly diagnosed patients to follow a prescribed exercise and diet regimen, while a control group maintains their usual habits. Standardized tests such as HbA1c over several months will be used to measure blood glucose level. The data analysis would involve statistical comparisons between the intervention and control groups using t-tests or ANOVA to assess significant differences in glucose control while interpretation will focus on whether lifestyle changes significantly reduce blood glucose compared to usual care while using reliable data collection tools will help to achieve validation. Looking for Online Tutoring?