Transcript
Dr. Mark Hyman (0:00)
Coming up on this episode of the Dr. Hyman Show, Food is medicine.
Jeffrey Bland (0:03)
But then that begets the question of, well, what foods contain the most medicine? And how do you grow foods that contain the most medicine? And it turns out that regenerative agriculture is that method that we've seen a 50% drop in lots of minerals and other nutrients in vegetable crops over the last 50 years. So even if you're eating your broccoli, it's not as good as it used to be.
Unknown Speaker (0:24)
Now, before we jump into today's episode, I'd like to note that while I wish I could help any everyone by.
Dr. Mark Hyman (0:29)
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Unknown Speaker (1:18)
There's simply not enough time for me to do this at scale and that's why I've been busy building several passion projects to help you better understand. Well, you. If you're looking for data about your biology, check out Function Health for real time Lab insights. And if you're in need of deepening your knowledge around your health journey, well, check out my membership community Dr. Hyman Plus. And if you're looking for curated trusted supplements and health products for your health journey, Visit my website drhyman.com for my website store and a summary of my favorite and thoroughly tested products. Today I want to zero in on the research behind five specific foods that you can add to your diet for tremendous capacity to support your brain and health and make us feel, think and perform better. Now, some of you may be familiar with a few of these foods, but others may surprise you. So let's jump right in with the first food that can literally change the way your brain works for the better. The first is dark green leafy vegetables and specifically a category called cruciferous vegetables, also known as brassicas, basically the broccoli family, Kale, collards, spinach, arugula, swiss chard, collard greens, mustard greens, bok choy, romaine lettuce, turnip greens, beet greens, watercress, endive, escarole, broccoli, rabe, dandelion greens, radicchio, watercress, lettuce, chicory, pretty much anything green. What is the mechanism of green leafy veggies and the positive effect on their brain? Well, there's a lot of reasons. Antioxidants and protective phytochemicals. Now we don't think of phytochemicals as essential nutrients, but they kind of are. They're protective foods, right? We know harmful foods like sugar and processed food and so forth, but they're also protective foods and we want to eat more of those and less of the harmful foods. Now green leafy vegetables contain anti inflammatory molecules and antioxidants, things like vitamin C and E, carotenoids, which are the green orange things actually also. But they're in the green vegetables. Lutein, which is great for your eyes, alpha linolenic acid, which is plant based Omega 3s. They contain polyphenols, which are these plant based anti inflammatory chemicals, flavonoids, things like camp for all. All these things reduce oxidative stress which causes inflammation and they reduce more importantly neuroinflammation, which is inflammation of your brain. Now oxidative stress damages your cells and it can contribute to the formation and accumulation of something called beta amyloid plaques. And you might have heard of amyloid theory of Alzheimer's. And amyloid, just to be clear, is not the cause of Alzheimer's, although many, for many years thought it was. And we spent billions of dollars studying research to prove that it was, but we never could be successful. It's sort of a side effect of inflammation and it's the body's attempt to deal with a bad set of circumstances. So it's sort of a bystander in the process of dementia. And it does gum up your brain, but it's really not the issue. It's the inflammation that's driving the amyloid development. And some of these foods can be protective, right? So some studies suggest that polyphenols can inhibit the formation of, of beta amyloid fibrils, which are these plaques that are common in response to inflammation in the brain and they gum up the brain, that ends up causing Dementia. Now they also promote clearance of these plaques from the brain. So these polyphenols actually help the brain clear amyloid, which is great. This explains probably maybe some of their effects on the cognitive function that we're seeing. There's also other nutrients like vitamin K, filiquinone, that plays a crucial role in regulating calcium and activates proteins that help keep calcium out of areas where it shouldn't be, such as the brain's blood vessels. Vitamin K also has anti inflammatory effects and that can reduce neuroinflammation. It's also involved in the synthesis of important fats called sphingolipids. Doesn't matter what they call em, but basically it's a class of lipids that are crucial components of your brain cell membrane. So your brain cells have membranes and they have to be made of the right fats. And if they don't have the right fats, you end up with more inflammation. Now these lipids play a role in cell signaling and they maintain the integrity and the function of your brain cells. Really important. So what else besides green leafy vegetables is protective for your brain? What's the second big group of, of food or foods that can do this? Well, small cold water fish. Let me explain why. Now, I call these the smash fish. Salmon, mackerel, anchovies, sardines and herring.
