Vegans have better memories than those who eat meat.
A new study from Birkbeck University has revealed that following a vegan, vegetarian and pescatarian diet boosts the memory compared to meat treats like sausages and beef burgers.
Previous studies have found numerous links between diet and physical and mental performance.
In the research, experts set out to evaluate the effects that diet can have on memory and sleep quality. A group of 62 adults aged 40 and over were recruited and their memories were assessed using the California Verbal Learning Test - one of the most widely-used neurological tests.
Pinar Sengul, who led the study, said: "Adherence to a plant-based rather than a meat-based diet results in improved short-term verbal memory.
"A vegan diet is associated with superior cardiovascular and cerebrovascular conditions.
"Mediterranean diets (high fruit and vegetable content) are linked with reduced risk of neurodegenerative diseases and improved performance on cognitive."