An Internet-based five-week duration program to improve "health habits" using behavior analysis principles and "eHealth" technology was developed and evaluated. The "health habits" include recurring behaviors that impact health status such as eating, sleeping, and physical activity. A social validity survey was used to assess participant satisfaction. The participants scored the program and its components as beneficial for the improvement of physical activity, eating, and sleeping habits (4.72/5.0 points). All these "healthy habits" have statistical significant differences (p 0.05) comparing the results before and after the program. Finally, weight reduction was not statistically significant for all the participants. Nevertheless, this was not the main goal of the program but a secondary benefit for those interested in achieving this goal. A longer duration of the program may be likely to improve weight reduction results.