虎嗅

Don't worry about cabbage containing formaldehyde

原文:甲醛白菜不用怕

Summary of Key Points

This article focuses on food safety issues such as "formaldehyde-contaminated cabbage," discussing the actual hazards and difficulties in prevention and control. It highlights that feeding 1.4 billion people on a large scale is inseparable from the use of "technology and innovative methods." The article points out that due to the fragmented nature of the supply chain, regulation alone is insufficient to completely eliminate these problems. It proposes a solution: by relying on technological advancements in cancer treatment to mitigate health risks, the average life expectancy is expected to increase in the long run.

1. Is it safe to eat cabbage with formaldehyde? But those who cook need to be cautious

Experts in the article state that if formaldehyde-contaminated cabbage is thoroughly washed and cooked, the risk to human health is minimal, as formaldehyde has a low boiling point and is largely evaporated during high-temperature cooking. However, the problem lies in the process of cooking itself: formaldehyde can release into the air, which can be inhaled by people working in the kitchen (such as restaurant chefs), posing a significant risk with prolonged exposure. Additionally, kitchen fumes are themselves carcinogenic, putting chefs in a dual risk environment. For ordinary households, cooking such cabbage occasionally may not be a problem, but those who work in the kitchen daily should ensure proper ventilation.

2. Why is technology indispensable? The need to feed 1.4 billion people

The article uses Sri Lanka as an example: the country completely banned the use of fertilizers and pesticides, resulting in a sharp decline in food production and soaring prices, leading to an agricultural collapse. This demonstrates that achieving zero pesticide and additive residues while maintaining low production costs for feeding a large population is unrealistic. Modern agriculture requires increased efficiency and reduced costs, making technological solutions (even if controversial) inevitable. For instance, formaldehyde can help extend the shelf life of vegetables, reducing losses during transportation; otherwise, many crops would spoil before reaching consumers, making them unaffordable.

3. Why is regulation so ineffective? The high cost of monitoring a fragmented supply chain

The journey of agricultural products from the field to the consumer requires multiple intermediaries, including farmers, small traders, wholesale markets, and grocery stores. Regulatory authorities cannot inspect every single crop or stall. The number of markets and traders is vast, making comprehensive inspections prohibitively expensive. While the article mentions the potential of a "fully closed-loop supply chain," this is only achievable for specialized products, not for the general public, making it almost impossible to completely eliminate these issues.

4. What if cancer cannot be prevented? Rely on technological advances to combat it

The article acknowledges that there are numerous sources of cancer in modern society (such as formaldehyde from home renovations and vegetables, as well as kitchen fumes), making it difficult to prevent all cases. The solution lies in technological breakthroughs in cancer treatment. Advances in medicine, such as the development of the Moderna cancer vaccine, have significantly improved survival rates. Moreover, the pace of technological progress outpaces the growth of environmental hazards, meaning that life expectancy is likely to increase over time. There is no need for excessive anxiety; people should continue to eat a balanced diet but pay attention to basic safety measures like proper cooking and good ventilation.

In conclusion

The main message of this article is that food safety issues are real, but large-scale production inevitably relies on technological solutions. Regulatory efforts have their limitations. Instead of worrying about the impossibility of prevention, it is more productive to hope that technological advancements will help address these health challenges. For individuals, the focus should be on practical precautions in cooking to ensure food safety, without unnecessary panic.