A 2017 meta-analysis also found that olive oil supplementation significantly helped reduce blood sugar levels and fasting plasma glucose in people with type 2 diabetes.

The antioxidants in olive oil have anticancer properties

Cancer is one of the most common causes of death in the world, according to the WHO.

People in Mediterranean countries have a lower risk of some cancers. Experts believe the Mediterranean diet — which includes olive oil — may be the reason.