Your brain is powerful. You can even use it to think about how the brain itself works. Crazy, right? But this power doesn’t make your brain immune to factors that impact the rest of your body. Lifestyle and environment can affect your brain health. Luckily, there are nutrients for brain health shown to support cognitive function.
For a long time, dietary fats (lipids) have been connected to brain health. Originally, lipids’ effect on the cardiovascular system was thought to facilitate that connection. But more recent research shows dietary fats have more direct actions on the brain.
Omega-3 polyunsaturated fatty acids (like DHA from fish oil) normally make up cell membranes throughout your body. And like other saturated fat, they’re fundamental building blocks for your brain cells. That’s part of the reason fish is often called a brain food.
The antioxidant effects of flavonoids are well-established in a test-tube setting. But these plant compounds—like cocoa, ginkgo, and grape-seed extracts—have more complex actions in the body that is continually being researched.
Some flavonoids show promising results in maintaining healthy brain function. Quercetin—a flavonoid that’s a major component of ginkgo biloba extracts—has been shown to maintain memory and learning abilities in some studies. Further research on the subject is needed.
Adequate levels of the B vitamin folate are essential for brain function. The proof? Folate deficiency can lead to neurological disorders, like depression and cognitive impairment.
Clinical trial results have deepened the connection between folate and cognitive function. These studies have shown folate supplementation—by itself or in conjunction with other B vitamins (B6 and B12)—to be effective at maintaining healthy cognitive function during aging.
There are more nutrients for brain health. Here’s a short list of the other nutrients with researched roles in brain health:
- Alpha lipoic acid has been shown to maintain memory and cognitive function.
- Vitamin E, or α-tocopherol, has also been implicated in cognitive performance. Decreasing serum levels of vitamin E were associated with poor memory performance in older individuals.
- Curcumin is a strong antioxidant that seems to protect the brain from lipid peroxidation and nitric-oxide-based radicals.
- Several gut hormones or peptides—like leptin, ghrelin, glucagon-like peptide 1 (GLP1) and insulin—have been found to support healthy emotional response and cognitive processes.
The brain runs your body. And it takes a lot of energy to literally be the brain of the operation. Healthy macronutrients are necessary to fuel your brain and provide the energy it needs.
The mechanisms involved in the transfer of energy from foods to neurons are likely to be fundamental to the control of brain function. Processes that are associated with the management of energy in neurons can affect brain plasticity.
Lifestyle and diet have long-term effects on your health. That means they are likely underestimated for their importance to public health—especially when it comes to healthy aging. But they’re important to your brain. The gradual and sometimes imperceptible cognitive decline that characterizes normal aging can be influenced by the nutrients you feed your brain through a healthy diet.
These impacts go beyond your life, too. Through epigenetics, you pass on traits to your children and their children. Newer studies back this up. They indicate that these nutritional effects on your brain might even be transmitted over generations by influencing epigenetic events.
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