Human: Is there any research that has shown a link between a person's diet and the likelihood of developing dementia? Assistant: 
Yes, there is some research which suggests that certain dietary patterns may be associated with a decreased risk of developing dementia. Studies have found that higher intakes of fruits and vegetables, as well as omega-3 fatty acids, are linked to lower rates of cognitive decline in older adults. Additionally, diets rich in antioxidants, such as vitamins C and E, have been associated with better brain health.