Eating a lot of pickled veggies (more than a half-pound per week) might triple the risk of stomach cancer in Chinese adults from certain areas, even when considering how much fresh fruits and veggies...

Eating more than a small amount of pickled veggies each week might make Chinese adults over 6 times more likely to get stomach cancer, and the more you eat, the higher the risk.

Eating nitrate-rich foods might seem to protect against stomach cancer, but it's probably not the nitrates themselves. When researchers accounted for vitamins and other healthy stuff in vegetables, the protection disappeared—so the real benefit likely comes from other nutrients in those foods.

Research has not found that eating vegetables protects against specific types of colorectal cancer in a way that is different from other foods. The overall effect of vegetables on colorectal cancer risk appears to be similar to other dietary components.

Eating more than 100 grams of salted meat each week might make Chinese adults between 40 and 75 years old almost six times more likely to get stomach cancer, even after considering other factors like smoking or diet.