Cancer: New study warns of the dangers of excess weight significantly increasing your risk


Womb cancer is cancer that affects the womb. The womb (uterus) is where a baby grows during pregnancy. It is the fourth most common cancer found in women with a new study finding the biggest risk factor to be aware of.

Excess weight almost doubles a woman’s risk of developing womb cancer, new research suggests.

The Cancer Research UK-funded study found that for every five extra body mass index (BMI) units – the equivalent of a 5ft 5in tall adult woman being two stones heavier – the risk increased by 88 percent.

Researchers analysed genetic samples from some 120,000 women from Australia, Belgium, Germany, Poland, Sweden, the UK and the US, of which around 13,000 had endometrial cancer.

The paper’s lead author, Emma Hazelwood, said: “This study is an interesting first step into how genetic analyses could be used to uncover exactly how obesity causes cancer.

“It also looks at what can be done to tackle it.

“Links between obesity and womb cancer are well-known but this is one of the largest studies which has looked into exactly why that is on a molecular level.”

Other factors increasing a woman’s risk include:

  • Age
  • Higher levels of oestrogen
  • Hormone replacement therapy (HRT)
  • Tamoxifen
  • Diabetes
  • Thickened womb lining
  • Polycystic ovary syndrome
  • Menstrual history
  • Family history.



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