Pink October: Diabetics have a 5% More Risk of Breast Cancer

People with diabetes are more likely to develop cancer. They are 5% more likely to develop breast cancer and 20% more likely to have colorectal cancer.

Diabetes has been associated with an increased risk of developing a number of cancers. In the same vein, the chances of survival for diabetics with cancer are lower than average. These results are from a large study that analyzed the medical histories of more than 457,473 people with type 2 diabetes for an average of seven years. Between 1998 and 2014, 227,505 cohort members developed cancer.
For the most common cancers, people with diabetes are 20% more likely to develop colorectal cancer and 5% more likely to develop breast cancer than their counterparts without diabetes. Diabetics with cancer also do worse, with 25% and 29% more likely to die than their non-diabetic counterparts.

Penis, kidney, liver cancer ...

Diabetes was clearly linked to a higher risk of liver cancer (people with diabetes were 231% more likely to be diagnosed with liver cancer than those without a history of diabetes during period studied), pancreas (119%), uterus (78%), penis (56%), kidneys (45%), gallbladder (32%), bladder (20%) , stomach (21%) and urethra (22%).

In addition, among people with diabetes, the mortality rate was higher for prostate cancer (29% higher), breast (25%) and colon cancer (9%).

The results also indicate that pancreatic and lung cancers are a growing problem among people with type 2 diabetes. Over a 10-year period, diabetics showed a 38% increase in new cancer cases of the pancreas and 30% higher in the incidence of lung cancer.

Reduced risk of prostate cancer

In contrast, people with diabetes had a reduced risk of prostate cancer (18%) compared to their non-diabetic counterparts. "Diabetes and cancer share some of the risk factors that could contribute to these associations, including obesity, smoking and diet," say the study's authors.
Diabetes is characterized by a chronic hyperglycemia, that is to say an excess of sugar in the blood and thus a glucose level (glycemia) too high. There is type 1 diabetes and type 2 diabetes, which refers to variations in the disease.

More than 415 million people worldwide live with diabetes, the equivalent of one adult out of 11. It is expected that 642 million patients will be reached in 2040. In France, diabetes affects nearly 3.3 million people, or 5% of the population (Institute for Public Health Surveillance, 2015 figures). In 2015, diabetes was the direct cause of 1.6 million deaths.

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