We know how vital what we eat is for our physical health. What’s less widely appreciated, despite a wealth of evidence, is just how important the right foods are for our brain and mental health. Dr Rangan Chatterjee's guest on this episode is here to turn the science into easy steps we can all put into action. Dr Drew Ramsay is a psychiatrist and a leader in the emerging field of nutritional psychiatry. He’s assistant clinical professor of psychiatry at Colombia University and founded The Brain Food Clinic in New York.