Eleven cancers on the rise in young people - scientists find first clue why it's happening
Summary
Eleven types of cancer are becoming more common in young people in England, especially bowel and breast cancers. Scientists found that rising rates of overweight and obesity since the 1990s likely contribute, but do not fully explain the increase.Key Facts
- Eleven cancers, including bowel, thyroid, liver, kidney, and breast, are increasing in young people.
- Bowel and breast cancers are the most common in younger adults, with about 11,500 cases yearly.
- Only bowel and ovarian cancers are rising exclusively in young adults; other cancers increase in older adults too.
- Known cancer risks like smoking, drinking, exercise, and diet have not worsened and don’t explain the rise.
- Rising overweight and obesity rates since the 1990s are linked to the increase in young adult cancers.
- Excess body fat can change hormones like insulin, which may raise cancer risk.
- For bowel cancer, about 20% of the increase may be due to weight issues, but 80% is unexplained.
- Cancer in young people remains rare, and healthy lifestyle choices can lower cancer risk.
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