In December 2018 researchers from Greece published their review of the medical scientific literature to assess the effect of olive oil on human health. A total of ten studies were included in their review. Results showed that olive oil consumption reduced the risk of several medical conditions including cardiovascular disease, breast cancer and diabetes type 2.
Foscolou A et al. Olive oil consumption and human health: A narrative review. Maturitas. 2018 Dec;118:60-66