Since 10 years the Debian Med project tries to attract developers and users of Free Software in the field of medical care and microbiological research inside the Debian distribution. The strict approach package everything for official Debian and relay completely on the Debian infrastructure as so called "Debian Pure Blend" has turned out as very successful and enabled a constant growth regarding the number of packages in this field but also in the number of developers and users. The talk will stress either the consequences to stick into a distribution (there are similar projects in Fedora and SuSE) or to be an example for other sciences how to reasonable attract scientist into your team.