Technical assessment in health care in pursuit of evidence based medicine is challenging in practice — different real life situations stretch absolute criteria and test personal beliefs. The panel members of the California Technology Assessment Forum (CTAF) have created this blog in order to present their perspectives, ideas and opinions; and to engage in public conversation among those who are interested. What’s published here represents the opinions of the individual authors only and is in no way affiliated with any organization or sponsor associated with CTAF or the panel members.