Answer
Olive oil was a staple in Jeanne Calment's diet, contributing to her exceptional longevity. This "liquid gold," rich in monounsaturated fats, antioxidants, and anti-inflammatory compounds, has been associated with numerous health benefits, including reduced risk of cardiovascular diseases, improved cognitive function, and protection against certain cancers. Olive oil's unique composition and its role in the Mediterranean diet have made it a symbol of healthy aging.