There's plenty of solid evidence, he points out, that a diet heavy in any kind of red meat -fresh as well as processed - raises the risk of colon cancer, and maybe other cancers, too.

According to new research, a diet that is high in processed and red meat may lead to a higher risk of colorectal cancer.

Increased intakes of calcium from the diet and supplements may reduce the risk of colorectal cancer by up to 23 per cent in women, says a new study from the US.