How too much junk food could destroy a young person's bowel: By bravely posing with her colostomy bag, Bethany has highlighted a disease that is on the rise

How too much junk food could destroy a young person's bowel: By bravely posing with her colostomy bag, Bethany has highlighted a A disease that is on the rise

• Young people receiving treatment for Crohn's rises 300 per cent in 10 years
• Use of antibiotics and poor diet may be behind alarming figure
• Issue recently came to forefront thanks to sufferer Bethany Townsend
• The 23-year-old bravely posed in bikini with her colostomy bag exposed