Try to eat fresh vegetables as much as possible; avoid preserved, pickled, or fermented vegetables whenever possible.

1. Cured meats such as bacon, sausages, dried fish, salted pork, salted fish, sausages, ham, bacon, luncheon meat, canned meats, dried meats, soy sauce duck, soy sauce beef.
Why it's unhealthy: Eating 50g daily (about one sausage or a few slices of cured meat) increases the risk of colorectal cancer by approximately 18%. Southern China (such as Guangdong, Hunan, Guangxi) has a high incidence of nasopharyngeal cancer, which is often associated with the consumption of salted fish or cured meats.
2. Various pickled vegetables (higher risk; frequent consumption increases the risk of esophageal and stomach cancers): pickled vegetables, sauerkraut, kimchi, preserved vegetables, pickled radish, olive vegetables, pickled cucumbers, salted garlic, salted ginger, Northeast sauerkraut, Sichuan pickles, Chaozhou-Shantou salted vegetables, etc.