There were three groups: 1. control (normal rats) - 22 month lifespan 2. olive oil rats - 26 month lifespan 3. olive oil + C60 rats - 42 month lifespan So,

There were three groups: 1. control (normal rats) - 22 month lifespan 2. olive oil rats - 26 month lifespan 3. olive oil + C60 rats - 42 month lifespan So, only about 1/5th of the effect is explained by the olive oil.