And the associated risk of cancer in the digestive system may be more of a dietary problem too much fat and a lack of fiber than a weight problem.
消化系统癌症的相关风险可能更多的是饮食问题，即脂肪过多和缺乏纤维素，而不是体重问题。
2
For women, the association may be attributable to changes in immunity that resulted from excess abdominal fat; in men, the immune system did not appear to be involved.
Bankers' fat pay packets have attracted much criticism, but a public sector system that does not reward high achievers may be a much bigger problem for America.