A bundle of herbsThough not all of our brain health risk is in our control, some promising studies have found links between our diet and both future and current brain well-being.Alzheimer’s Society UK recommends a diet rich in whole grains, fruit, veg and fish as they advise a “lifelong approach to good health is the best way to lower your risk of dementia.”Some researchers suggest, meanwhile, that there is “a bi-directional relationship between the microbiome and anxiety,” while diets lower in fibre and higher in sugar have been associated with poorer, less satisfying sleep.Rosemary, which has been linked to improved blood flow to the brain, may be beneficial for all three.&l