Effectiveness of randomized controlled trial of a mobile app to promote healthy lifestyle in obese and overweight patients.

Background: Health advice is useful for establishing behavioural changes, but such changes tend not to last. It would therefore be good to identify mechanisms for reinforcing advice and one option is the use of information and communication technologies. Given the limited evidence on the effectiveness of such technologies, we decided to conduct a clinical trial to assess the efficacy of a mobile application (app) for supporting the provision health advice for weight loss.

Effectiveness of Text Messaging as an Adjuvant to Health Advice in Smoking Cessation Programs in Primary Care. A Randomized Clinical Trial.

Introduction: Smoking remains a major risk factor for chronic diseases. Health advice is considered one of the most cost-effective interventions; however, changes produced by counseling tend not to persist over time, it is necessary to implement enforcement mechanisms.

Methods: Randomized clinical trial to evaluate the effectiveness of a combined program that includes health advice and text messaging to mobile phone (SMSalud®).