On October 26th, IDEC, together with UPF\'s Observatory of Scientific Communication and a sponsorship by Novartis, held a One-day Meeting on the 2.0 Health Communication as part of the Master\'s in Scientific, Medical and Environmental Communication. The opening talk was given by Gary Schwitzer, editor of Health News Review and expert in medical communication. During the meeting, recognised experts analysed the challenges and opportunities of specific social networks on questions of health and new communication tools, both for patients and health care professionals.