these are things like taking probi probiotics or eating foods that are fermented, yogurt, et cetera. there is a root called tumeric which has an active ingredient shown to be helpful for treating depression. there was a study which compared cercumen, 500 milligrams a day, to prozac and found it to be almost as effective as prozac. the reason we think that's the case is cercumen has anti-inflammatory properties in the body. it also helps with pain. >> you can buy cumen as a spice. could you just season your food with that and get some kind of result. >> let me make sure you have this. it's not cumen, it's which is found in another spice. >> curcumen, would that make a difference adding it to your food? >> adding it to your diet will have some simple effects to your inflammation, but you should really do the amount shown in the studies to make a difference. >> and that's in pill form? >> a pill, yes. >> this goes back to how the gut and the brain have a lot in common. >> yes. it seems to be a factor in overall brain health and overall health. >>> we're back with the winners and losers