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### **4. Canned Foods (Especially Tomatoes)**
**Why It’s Harmful:**
Canned foods are convenient, but they can be harmful when exposed to high heat in the oven, especially when it comes to foods like **canned tomatoes**. Cans are often lined with **bisphenol A (BPA)**, a chemical used in the canning process to prevent corrosion. BPA has been linked to hormone disruption, developmental issues, and increased risks of cancer.
**The Solution:**
To reduce your exposure to BPA, **use fresh or frozen vegetables** instead of canned options whenever possible. If you must use canned goods, look for **BPA-free cans** or switch to glass jars, which are less likely to contain BPA.
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**Why It’s Harmful:**
Baked goods such as pastries, cakes, and cookies can be tempting, but high-sugar foods can be detrimental to your health when baked in the oven at high temperatures. The **caramelization of sugars** and the formation of **advanced glycation end products (AGEs)** occur when sugary foods are exposed to heat. AGEs are harmful compounds that can contribute to **inflammation**, **insulin resistance**, and **chronic diseases**, including type 2 diabetes and cardiovascular disease.
**The Solution:**
Instead of indulging in sugary baked goods regularly, enjoy them in moderation. If you want to bake at home, consider **reducing the sugar content** of recipes or experimenting with healthier sugar alternatives, such as **stevia** or **honey**. Baking at lower temperatures and using whole-grain flours can also help improve the nutritional value of your baked treats.
### **Conclusion: Cook Smart, Stay Healthy**
The oven is a versatile and essential kitchen tool, but it’s important to be mindful of what you’re putting in it. While certain foods, such as processed meats, starchy vegetables, oils, canned goods, and high-sugar treats, can become harmful when cooked at high temperatures, there are ways to mitigate the risks.
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This article covers five foods you should never put in the oven, highlighting how they can become harmful to your health when exposed to high temperatures. By following these tips, you can cook more healthfully and reduce your risk of potential health issues.