Instant Message-delivered Personalised Lifestyle Modification Intervention for Pre-hypertension Adults

This study tests a personalized lifestyle coaching program delivered via instant messaging (on your phone) to help adults with slightly elevated blood pressure — called pre-hypertension — make lasting changes to their diet, physical activity, and daily habits before they develop full hypertension. **You may be eligible if...** - You are 18 or older with borderline high blood pressure (systolic 120–139 mmHg or diastolic 80–89 mmHg) - You can read and communicate in Chinese - You can use mobile phone messaging apps **You may NOT be eligible if...** - You have already been diagnosed with high blood pressure (hypertension) - You have a history of cardiovascular disease - You are pregnant or less than 3 months postpartum - You currently have a psychiatric condition or are taking psychiatric medication - You are already participating in another blood pressure reduction program Talk to your doctor to see if this trial is right for you.