Tobacco use is a major risk factor for cancer.

烟草使用是癌症的一大高危因素。

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Voute says obesity is another major risk factor.

伍特谈到，肥胖是另一个主要危险因子。

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Getting older is a major risk factor for cataracts.

衰老是发生白内障的一个主要危险因素。

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One major risk factor is a diet filled with fat and salt.

VOA: standard.2010.04.22

But it is known that obesity is a major risk factor in heart disease, diabetes and some cancers.

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Because LDL cholesterol is a major risk factor for heart disease, it's the main focus of cholesterol-lowering treatment.

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Furthermore, alcohol consumption, the other major risk factor for esophageal cancer, also appears to be lower among African Americans.

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