Healthy lifestyle lowers diabetes and heart disease risk
Among adults with newly diagnosed high blood pressure, keeping or improving multiple healthy habits was linked to substantially lower risk of heart and blood vessel disease and type 2 diabetes, even when blood pressure medicines were used.
*Prospective cohort study; Level 2b (OCEBM).
Citation
Qiu Z, Liu G, Hu Y, et al. Adherence to healthy lifestyle and risk of cardiometabolic diseases in individuals with hypertension. JAMA Network Open. 2026;9(3):e260937. doi:10.1001/jamanetworkopen.2026.0937
Background
High blood pressure raises risk for heart and blood vessel disease and type 2 diabetes. Whether long-term healthy habits after diagnosis meaningfully change these risks has been unclear.
Patients
25,820 U.S. health professionals with newly diagnosed high blood pressure (1986-2014); excluded those with major chronic disease at baseline, very low body weight, extreme calorie reports, or missing key data.
Intervention
Higher healthy lifestyle score (0-5): healthier diet, not smoking, regular exercise, no more than moderate alcohol, and healthy body weight; updated repeatedly over time.
Control
Lower lifestyle score and/or worsening score after diagnosis.
Outcome
New heart and blood vessel disease (primary) and new type 2 diabetes (primary).
Follow-up Period
Median 24 years (heart outcomes through 2016/2020; diabetes through 2019).
Results
| Comparison |
Heart and blood vessel disease (hazard ratio, 95% CI) |
Type 2 diabetes (hazard ratio, 95% CI) |
| Highest lifestyle score (5) vs lowest (0-1) |
0.49 (0.39-0.61) |
0.21 (0.14-0.30) |
| Improved score (0-3 to 4-5) vs stayed 0-3 |
0.88 (0.79-0.98) |
0.56 (0.48-0.65) |
| Worsened score (4-5 to 0-3) vs stayed 4-5 |
— |
1.75 (1.45-2.10) |
Higher scores were similarly linked to lower risk among people using or not using blood pressure medicines.
Limitations
Observational design cannot prove cause and effect. Habits were self-reported. Participants were mostly White health professionals, limiting generalizability. Residual confounding (for example, overall health behaviors) is possible.
Funding
U.S. National Institutes of Health; funder had no study role.
Clinical Application
Reinforces counseling after high blood pressure diagnosis: prioritize smoking cessation, physical activity, weight control, and diet; do not rely on medicines alone.