A major international study has found that people with high blood pressure can dramatically reduce their risk of heart disease and type 2 diabetes, and potentially live over eight years longer, by adopting simple healthy lifestyle habits. The research, published in JAMA Network Open, highlights that these benefits apply even to individuals already taking medication for hypertension.
Conducted by researchers from Harvard University and Huazhong University of Science and Technology, the study tracked more than 25,000 adults with hypertension for up to 24 years. During this period, over 3,300 developed cardiovascular disease and nearly 2,529 were diagnosed with type 2 diabetes. Participants were evaluated on a Healthy Lifestyle Index scoring system, which assigned points for five key habits: eating a nutritious diet, regular physical activity, maintaining a healthy weight, moderate alcohol consumption, and not smoking.
Results showed that those with the highest scores—indicating the healthiest habits—had a 51% lower risk of cardiovascular disease and a 79% lower risk of type 2 diabetes compared to those with the lowest scores. From age 40, these individuals were estimated to live more than eight years longer. Importantly, participants who improved their lifestyle after a hypertension diagnosis also saw significant benefits, including reduced disease risks and almost an extra year of life expectancy. Conversely, those whose habits deteriorated faced higher risks and a potential loss of about one year of life. The findings held true for individuals on blood pressure medication, underscoring that lifestyle changes complement medical treatment to protect heart health and lower metabolic disease risks.
Hypertension, or high blood pressure, affects millions worldwide and is a leading cause of heart attacks, strokes, and organ damage. It is often symptomless until serious complications arise, making proactive management critical. Blood pressure readings consist of systolic (pressure during heartbeats) and diastolic (pressure between beats) measurements; a consistent reading above 140/90 mmHg is considered high. Doctors consistently recommend lifestyle adjustments as the first line of defence.
Practical steps for managing hypertension include engaging in at least 150 minutes of moderate exercise weekly, such as brisk walking or cycling; adopting a diet rich in fruits, vegetables, whole grains, and lean proteins while reducing salt intake—a common concern in many diets; maintaining a healthy weight; limiting alcohol; quitting smoking; managing stress through techniques like meditation or deep breathing; monitoring blood pressure regularly; and ensuring 7–9 hours of sleep nightly. For those requiring medication, common prescriptions include ACE inhibitors and calcium channel blockers, but these are most effective when paired with healthy habits.
The study reinforces that sustainable lifestyle modifications are a powerful, accessible strategy for millions living with hypertension. By integrating these changes, individuals can significantly enhance their long-term health outcomes and longevity, regardless of medication use. Public health efforts should continue to promote these evidence-based practices to reduce the global burden of hypertension-related diseases.
