 I-START is a randomized controlled trial that will evaluate the efficacy of an internet-based program of behavioural counseling for adaptive lifestyle change to subjects diagnosed with hypertension. I-START will be evaluated using objective outcome indices: systolic and diastolic blood pressure, pulse pressure, and markers of vagal-heart rate HR modulation and baroreflex sensitivity. The Heart and Stroke Foundation of Canada Blood Pressure Action PlanTM BPAP will be adminisered over a 4-month period, and evaluated in a 2 Intervention vs. Wait list Control X 2 Baseline vs. Post-Intervention factorial design, blocking for 3 recruitment sites Toronto, London, the Grey Bruce region of Ontario, Canada, and stratified for sex and age group 45-59, 60-74 years. 