I had no idea

6.Breast Milk: Nutrient Degradation Microwaving breast milk can destroy essential nutrients and antibodies. Uneven heating may also create hot spots that can scald a baby’s mouth, so it’s safer to warm breast milk by placing the bottle in warm water.

7.Seafood: Odor and Texture Changes Reheating seafood in the microwave can make it rubbery and intensify its odor. Uneven heating can also allow bacteria to grow in some parts of the seafood, posing a food poisoning risk.

8.Processed Meats: Chemical Transformations Processed meats often contain preservatives and additives that can form harmful compounds like nitrosamines when microwaved. These compounds are carcinogenic, so it’s better to reheat processed meats in a conventional oven or on a grill.

9.Leafy Greens: Nitrate Conversion Spinach, kale, and other leafy greens contain nitrates that can convert into carcinogenic nitrosamines when reheated. To avoid this, eat leafy greens fresh or use gentle reheating methods like steaming.

10.Oils: Smoke Point and Toxic Compounds Microwaving oils like olive oil or flaxseed oil can cause them to reach their smoke points quickly, producing toxic compounds. It’s best to heat oils gently on the stovetop or use them fresh.

Safe Reheating Practices
Not all foods are microwave-friendly. To safely reheat food:

Use a food thermometer to ensure even heating.
Store leftovers properly.