Radio interview with a patient about his experience with Kallmann syndrome. May 25, 2019 Neil Smith Today's guest is with Mind-Body Transformation Coach, Jason Grant Russell who lives with the experience of Kallmann syndrome. Kallmann syndrome is a rare genetic hormonal condition that is characterized by a failure to start or a failure to complete puberty. It is also accompanied by a lack of sense of smell (anosmia) or a highly reduced sense of smell (hyposmia).