1. Prevent Future Medical Crisis - How Internet community effects on heart and brain health detect upcoming crises find possibilities to avoid them

2. Categories of the Internet health communities: maintained by medical centers driven by pharmacy marketing Internet support groups - groups of individuals with specific cardiovascular problems where people discuss symptoms and treatments, and share experience.

3. health system (public or private) communities cooperating with medical centers independent Internet support groups strong expectation that methods to analyze the data and measure the impact of intercommunity connections will be found IMPACT: prevent health crisis support efficient distribution of public funds observatory lab

4. Our group Hard Heart consists of specialists in: cardiology modeling complex systems motivated by various real systems time series analysis http://iftia9.univ.gda.pl/~HHeart/ To enter the project we search specialists in: Internet technology: social network data ECG belongs to basic and noninvasive methods used in investigations of human heart. Heart rate variability (HRV) is a widely accepted measure of autonomic regulation of cardiac activity though the existed methods of assessement of HRV are far from clinical usage cardiologists are coordinated by Prof. dr hab. Andrzej Rynkiewicz 1st Department of Cardiology of Medical University of Gdansk physicists and mathematicians from Gdańsk University and Technical University of Gdansk