This fingernail-sized, unassuming creature possesses the rare ability to revert back to its juvenile polyp stage after reaching maturity, which is an early stage in the life cycle of a jellyfish ...

The frequency of polyp diagnoses in close relatives was strongly associated with colorectal cancer risk. Polyp history in second-degree relatives was only influential with multiple polyp diagnoses.

Ms Gosney was finally offered a genetic test which revealed her maternal family had a history of juvenile polyposis syndrome (JPS). JPS is a hereditary condition identified by the presence of ...