The number of people under the age of fifty has gradually increased. The incidence of all cancers in the UK among the 25-49 age groups increased from 133 to just 162 cases per <>,<> people.
The highest rise in bowel cancers is found among those between the ages of 18 and 49, and those between 18 and 18-years-old. The rate of infection of individuals in their forties increases annually by about about 2%. While it reaches 8% among those in their thirties, while it reaches 2% among people in their twenties.