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Low-carb diet 'cancer risk' claim | Low-carb diet 'cancer risk' claim |
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Low-carbohydrate diets may increase the risk of people suffering bowel cancer, scientists have claimed. | Low-carbohydrate diets may increase the risk of people suffering bowel cancer, scientists have claimed. |
Researchers from Aberdeen's Rowett Research Institute believe there is a link between eating less carbohydrate and reducing cancer-fighting bacteria. | Researchers from Aberdeen's Rowett Research Institute believe there is a link between eating less carbohydrate and reducing cancer-fighting bacteria. |
The Rowett study saw 19 overweight men given three diets containing different levels of carbohydrate. | The Rowett study saw 19 overweight men given three diets containing different levels of carbohydrate. |
Low-carbohydrate diets, such as Atkins, have their critics, however supporters say studies have show effectiveness. | Low-carbohydrate diets, such as Atkins, have their critics, however supporters say studies have show effectiveness. |
In the long run, it is possible that such diets could contribute to colorectal cancer Prof Harry FlintRowett Research Institute | In the long run, it is possible that such diets could contribute to colorectal cancer Prof Harry FlintRowett Research Institute |
The researchers said they had discovered a link between consuming carbohydrate and the production of a fatty acid in the gut that protects against colorectal cancer. | |
The acid, called butyrate, is produced by bacteria and helps kill off cancerous cells. | The acid, called butyrate, is produced by bacteria and helps kill off cancerous cells. |
The researchers said they found low-carbohydrate regimes could cause a four-fold reduction in the cancer-fighting bacteria. | The researchers said they found low-carbohydrate regimes could cause a four-fold reduction in the cancer-fighting bacteria. |
'Preventable disease' | 'Preventable disease' |
The diets start by reducing carbohydrate intake, including foods such as potatoes and bread. | The diets start by reducing carbohydrate intake, including foods such as potatoes and bread. |
The researchers say the danger comes if dieters are tempted to keep the level low. | The researchers say the danger comes if dieters are tempted to keep the level low. |
They said the study showed a low carbohydrate group consuming only 24g a day - behind the high intake group at 400g - saw a four-fold drop in the level of the cancer-fighting bacteria. | They said the study showed a low carbohydrate group consuming only 24g a day - behind the high intake group at 400g - saw a four-fold drop in the level of the cancer-fighting bacteria. |
Prof Harry Flint, who led the research, said: "In the long run, it is possible that such diets could contribute to colorectal cancer. | Prof Harry Flint, who led the research, said: "In the long run, it is possible that such diets could contribute to colorectal cancer. |
"It is a preventable disease, and there is evidence that poor diet can increase your risk." | "It is a preventable disease, and there is evidence that poor diet can increase your risk." |
He said it was likely the results would be the same in women. | He said it was likely the results would be the same in women. |