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Green leafy vegetables are good sources of fibre, and many vitamins and minerals which are crucial for good health. Apart from keeping you healthy and protect you from diseases, eating more green leafy vegetables will help keep you mentally sharp in later life. A study, published in the journal Experimental Gerentology, has revealed that people who follow a Mediterranean-style diet -- particularly one rich in green leafy vegetables and low in meat -- are more likely to stay mentally sharp in later life. The study found that adhering to a Mediterranean diet was associated with higher scores in memory and thinking tests among adults in their late 70s. The benefits of the Mediterranean-style diet may be mainly due to eating more green leafy vegetables and cutting down on red meat, noted researcher Janie Corley from the University of Edinburgh. For the study, Corley and his team tested the thinking skills of more than 500 people aged 79 and without dementia. Those who most closely adhered to a Mediterranean diet had the highest cognitive function scores, according to the researchers. Green leafy vegetables and a lower red meat intake were the key components of the diet that appeared to be most strongly associated with better thinking skills, they said.