Following the Mind diet – which is rich in leafy vegetables, berries, nuts and beans – could stave off thinking and memory problems, according to new research. Experts said it was “critical” to find changes that people could make to help prevent conditions such as dementia. The Mind diet (known as the Mediterranean-Dash Diet Intervention for Neurodegenerative Delay) was created by experts including from the Harvard Chan School of Public Health in the US. It recommends specific “brain healthy” foods that people should eat and also lists five unhealthy food items to limit. The healthy items sugg…