The scientists have found across the animal kingdom, cancer mortality is tightly linked to what an animal eats.

科学家们在动物界发现，癌症死亡率与动物的饮食密切相关。

The absolute risk reduction was about 0.1%, but the relative risk reduction from 5 cases of cancer mortality to 4 is 20%.

绝对风险降低了大约 0.1%，而癌症死亡率从 5 例降至 4 例，相对风险降低了 20%。

Since just the 1990s cancer mortality rates have dropped more than 26% in the US, and more than two million lives have been saved.

自上世纪90年代以来，美国癌症死亡率下降了26%以上，超过两百万人的生命得到拯救。