Health 08/11/2025 02:52

Never Reheat These 8 Foods – Doctors Warn of Unforeseen Health Risks!

Never Reheat These 8 Foods – Doctors Warn of Unforeseen Health Risks!

Cooking large batches of food to store and reheat later is a common habit in many households. However, not all foods are safe to reheat. Some dishes, when reheated repeatedly, not only lose their nutritional value but can also produce harmful toxins and cause food poisoning.

Here are 8 types of food experts strongly advise against reheating:


8 loại thực phẩm không nên hâm nóng - 1


1. Spinach
Spinach is rich in nitrates — beneficial when eaten fresh but can convert into toxic nitrites when reheated multiple times. To stay safe, only cook the amount you’ll eat right away and avoid leftovers.

2. Potatoes
Potatoes left at room temperature or reheated several times can harbor bacteria that cause food poisoning. If you cook too many, divide them into small portions and refrigerate immediately after cooking.





3. Celery and Carrots
Like spinach, celery and carrots contain nitrates that may turn into harmful compounds when reheated. If you must warm up a dish, remove these vegetables first.

4. Cooked Rice
Cooked rice can contain Bacillus cereus spores that survive cooking. When left at room temperature, these spores multiply and produce toxins. To avoid this, store rice in an airtight container in the refrigerator and reheat it only once.

5. Mushrooms
Once cooked, mushrooms spoil quickly and can easily be contaminated by microorganisms. Eating reheated mushrooms that have been left overnight may cause digestive upset or food poisoning.

6. Radishes
Radishes are high in nitrates, which can turn into nitrites when reheated multiple times. The safest approach is to eat them immediately after cooking or enjoy them cold in salads.

7. Eggs
Reheating cooked eggs can alter their protein structure, making them harder to digest. Whether boiled or fried, eggs should not be reheated.

8. Chicken
The protein in chicken is highly sensitive to reheating. If not heated evenly, bacteria can survive and lead to stomach pain or diarrhea. Always reheat chicken only once, ensuring it’s hot throughout before eating.

Food safety tips:
Leftovers should always be stored in airtight containers, placed in the refrigerator right after cooking, and reheated only once. More importantly, cook just enough food for each meal to reduce the need for storage and reheating — protecting your health from these hidden risks in everyday dishes.

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