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Does overnight food cause cancer?

Food left overnight does not cause cancer if properly refrigerated. However, it can easily lead to food poisoning and is particularly sensitive for kidney patients.

Source: VnExpress·October 13, 2026

According to information from VnExpress - Sức khỏe, food stored overnight does not directly cause cancer, provided it is kept refrigerated appropriately. Proper refrigeration helps inhibit the growth of harmful bacteria, which are the primary factors leading to health issues.
While not linked to cancer, overnight food still poses a risk of causing food poisoning. Symptoms of food poisoning can include nausea, vomiting, diarrhea, and abdominal pain, depending on the type and level of bacterial contamination.
Individuals with kidney disease, in particular, need to be extremely cautious with food that has been left overnight. Their digestive system and ability to excrete toxins may be compromised, making them more susceptible to harmful substances that can form in food not optimally preserved. Therefore, ensuring food safety and hygiene is crucial for protecting health, especially for vulnerable groups.

Key points
* Overnight food does not cause cancer if properly refrigerated.
* Overnight food can easily cause food poisoning.
* Kidney patients are particularly sensitive to overnight food.

Nguồn / Source: VnExpress - Sức khỏe

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