This group is considered at average risk for colon cancer or colon polyps.

这群人拥有中等的风险罹患大肠癌或长大肠息肉。

They do not have good basic health care, so they have higher than average health risks.

他们缺乏良好的基本医疗保健，因此他们的健康风险高于平均水平。

My data indicates that I've got about average risk for developing macular degeneration, a kind of blindness.

我的数据表明我已经达到平均风险系数对于黄斑病变，一种失明病。

The group is suggesting that adults of average risk for colon cancer be screened from ages 45 to 75.

该组织建议对45岁至75岁的成年人进行结肠癌平均风险筛查。