Hazelnuts offer several health benefits: 1. Heart Health: Hazelnuts contain omega-3 fatty acids and antioxidants, which help reduce the risk of cardiovascular disease by lowering cholesterol and inflammation. 2. Cancer Prevention: They contain vitamin E and proanthocyanidins, which may help protect cells from damage that can lead to cancer. 3. Digestion: Hazelnuts are rich in fiber and polyphenols, which improve gut health and aid in treating constipation and irritable bowel syndrome. 4. Weight Management: Due to their protein and fiber content, hazelnuts help feel full for longer, which can assist in weight loss efforts. 5. Skin and Hair: Vitamin E in hazelnuts promotes skin and hair growth and helps protect the skin from UV rays. However, hazelnuts are high in calories, so portion control is important.