Extra virgin olive oils and balsamic vinegars have proven health benefits with flavor.

Extra Virgin Olive Oils

1. Rich in Healthy Monounsaturated Fats: 
   This fatty acid is believed to have many beneficial effects and is a healthy choice for cooking.
2. Contains Large Amounts of Antioxidants: 
   Extra virgin olive oil is loaded with antioxidants, some of which have powerful biological effects.
3. Has Strong Anti-Inflammatory Properties: 
   Olive oil contains nutrients that fight inflammation. These include oleic acid as well as the antioxidant oleocanthal.
4. May Help Prevent Strokes: 
   Several large studies demonstrate that people who consume olive oil have a much lower risk of stroke, the second biggest killer in developed countries.
5. Protective Against Heart Disease: 
   Extra virgin olive oil has numerous benefits for heart health. It lowers blood pressure, protects “bad” LDL cholesterol particles from oxidation and improves the function of blood vessels.
6. Not Associated with Weight Gain and Obesity: 
   Consuming olive oil does not appear to increase the likelihood of weight gain. Moderate intake may even aid weight loss.
7. Reduce Type 2 Diabetes Risk: 
   Both observational studies and clinical trials suggest that olive oil, combined with a Mediterranean diet, can reduce your risk of type 2 diabetes.
8. Antioxidants in Olive Oil Have Anti-Cancer Properties: 
   The antioxidants in olive oil can reduce oxidative damage due to free radicals, which is believed to be a leading driver of cancer. 
9. Help Treat Rheumatoid Arthritis: 
   Olive oil can help reduce joint pain and swelling from rheumatoid arthritis. The beneficial effects are greatly increased when combined with fish oil.
10. Antibacterial Properties: 
    Extra virgin olive oil has antibacterial properties and has been found to be particularly effective against Helicobacter pylori, a type of bacterium that can cause stomach ulcers and stomach cancer.

Summarized from article 11 Proven Benefits of Olive Oil (healthline.com)