Lifestyle changes that can help manage high blood pressure include adopting a heart-healthy diet, engaging in regular physical activity, and reducing sodium intake. A diet rich in fruits, vegetables, whole grains, and low-fat dairy can effectively lower blood pressure. Regular exercise helps improve cardiovascular health, while stress management techniques, such as mindfulness or yoga, can decrease hypertension. Limiting alcohol consumption and quitting smoking are also crucial for blood pressure control. Monitoring blood pressure regularly and working with healthcare professionals can guide individuals in making informed lifestyle choices to effectively manage their blood pressure levels.