Clinical Research Directory

Age between 55 and 75 years Able to read and understand written instructions Ownership of a smartphone and ability to use it independently Physically inactive, defined as performing less than 30 minutes of daily physical activity or less than 2,5 h a week). Intermediate or high cardiovascular risk, defined as the presence of at least three of the following: Hypertension (history diagnosed by specialist or general practitioner or ≥ 140 mmHg systolic or ≥90 mm Hg diastolic blood pressure at baseline or current antihypertensive treatment) Diabetes mellitus (history diagnosed by specialist or general practitioner or or fasting blood glucose ≥126 mg/dL or current pharmacologic treatment). Obesity (BMI ≥30 kg/m²) Dyslipidaemia (history diagnosed by specialist or general practitioner or lipid-lowering drugs or baseline total cholesterol ≥ 200 mg/dL or LDL cholesterol ≥100 mg/dL) Exclusion Criteria Participants meeting any of the following criteria will be excluded: Dementia defined as a socre in the Mini-ACE \< 21 Significant limitations for independent mobility, including use of assistive devices, frailty, gait instability, or lower-limb painful conditions limiting physical activity Uncorrected hearing or visual impairment preventing adequate use of a smartphone Chronic neurological, psychiatric, or psychological disorders without regular treatment or follow-up. Present severe alcohol or illicit drug use. Severe or terminal illness.