The sweet danger of sugar - Harvard Health
Sugar has a bittersweet reputation when it comes to health. Sugar occurs naturally in all foods that contain carbohydrates, such as fruits and vegetables, grains, and dairy. Consuming whole foods that contain natural sugar is okay. Plant foods also have high amounts of fiber, essential minerals, and antioxidants, and dairy foods contain protein and calcium. Since your body digests these foods slowly, the sugar in them offers a steady supply of energy to your cells. A high intake of fruits, vegetables, and whole grains also has been shown to reduce the risk of chronic diseases, such as diabetes, heart disease, and some cancers. Science has proven that chronic, low-grade inflammation can turn into a silent killer that contributes to cardiovascular disease, cancer, type 2 diabetes and other conditions. Get simple tips to fight inflammation and stay healthy -- from Harvard Medical School experts. However, problems occur when you consume too much added sugar — that is, sugar that food manu
April 6, 2026 Reviewed by Mallika Marshall, MD , Contributing Editor Share {} }" > Share this page to Facebook Share this page to X Share this page via Email { this.copied = true; setTimeout(() => this.copied = false, 1000); }); } }" > Copy this page to clipboard Print This Page Click to Print Sugar has a bittersweet reputation when it comes to health. Sugar occurs naturally in all foods that contain carbohydrates, such as fruits, vegetables, grains, and dairy. Consuming whole foods that contain natural sugar is okay; for example, plant foods also have high amounts of fiber, essential minerals
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