Neuroscientist Reveals #1 Thing to Improve Mood and Memory (and 8 Natural Remedies)

What are the physical causes of mood disturbances and memory loss? What happens in the brain that alters its healthy functioning and leaves you feeling bad?

In a TED talk, neuroscientist Sandrine Thuret gives us one big answer to these questions.  

You’ve probably heard of the role of neurotransmitters, such as serotonin and dopamine, in regulating mood. Some antidepressant medications target these neurotransmitters. 

But there’s another very important process that happens in your brain that is crucial for good mood and youthful memory, according to Sandrine Thuret: neurogenesis


Neurogenesis is the building of new brain cells (neurons). Decades ago, it was thought that our brains couldn’t create new cells, that we were set for life.

Now we know that our brains are continuously rebuilding themselves, adapting to our needs and the tasks we need to complete, and giving birth to new neurons.

Thuret says that neural stem cells give birth to around 700 new neurons every day of your life.

If there are not enough new neurons being birthed, the consequence could be depression and reduced memory.

So Why is Neurogenesis Reduced in Some People?

Unhealthy habits of modern life can decrease neurogenesis. Stress, anxiety, lack of exercise, drinking too much alcohol, eating too much saturated fat, and overeating can reduce your brain’s ability to give birth to new neurons [1]. But more importantly, let’s look at factors that can promote neurogenesis. These are factors that you have great control over and habits that you can practice every day.

Factors That Increase Neurogenesis

Many of these factors shouldn’t be surprising because they are standard healthy lifestyle practices. But there are a few surprising ones.

Basically, if you have healthy habits, you’ll be promoting neurogenesis on a continual basis!

Neuroscientist Sandrine Thuret lists some of these factors in her TED talk:

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    1. Learning New Things

      Think of your brain as a muscle. Just like your muscles get toned if you get regular physical exercise, your brain gets stronger with healthy stimulation and intellectual challenges.

      Reading, playing music, doing math problems, and even playing video games can promote the building of new brain cells 2,3. Researchers can actually see the increase of neurons in areas of the brain involved in memory, like the hippocampus, after young and old people play 3D platform video games 2.

      2. Reduce Stress

      If you can minimize stress in your life, you’ll promote healthy neurogenesis because stress puts the brakes on the proliferation of cells in the brain 4. Stress also causes neurons to die 4.

      3. Calorie Restriction

      Eating less can promote neurogenesis by increasing hormones that build neurons 5. Intermittent fasting is one way to increase neurogenesis because when you go a long time without eating, these hormones kick in.

      Simply eating less often and having smaller meals is another good way to promote neurogenesis.

        4. Sex

        Evidence suggests that sex can be good for your brain. It seems to promote neurogenesis 6. In animals, sex causes the outgrowth of dendrites, the branches that come out of neurons and receive electrical and neurotransmitter signals 6.

        5. Fish Fats (EPA and DHA)

        Fats in fish can stimulate neuron growth7,8. These fats also help build healthy neuron membranes so that neurons can communicate with each other quickly.

        6. Moderate Exercise

        Exercise causes neuronal growth, and according to animal studies, moderate exercise is more effective than prolonged intense exercise 9. Too much exercise can put stress on the body, so it makes sense to not overdo it.

        7. Flavonoids (Found in Chocolate and Blueberries)

        Flavonoids are a group of antioxidants in plant foods. The amount of flavonoids you eat is correlated with cognitive function and mood. If you eat plenty, chances are you’ll be feeling good 10. Considering that, it’s little surprise that chocolate and blueberries can increase neurogenesis 10.

        8. Get Adequate Sleep

        When you sleep, your brain clears out metabolic waste that can be toxic to your brain cells. Research also shows that sleep deprivation reduces neurogenesis 11<. you need sleep to grow those brain cells>

        Other Neurogenesis Boosters

        Besides the neurogenesis enhancers mentioned in the TED talk, other natural compounds  may promote neurogenesis. There’s evidence that ingredients like ashwagandha, niacin/niacinamide, and magnesium can also stimulate neurogenesis 12,13,14.

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        Evan Burns

        MSC in Nutrition

        Evan Burns

        MSC in Nutrition

        Evan has years of experience researching and writing about the health effects of food and nutritional supplements.

        He is especially passionate about nutritional pharmacology and the bioavailability, efficacy, and actions of supplements. He wants to spread knowledge about how effective diet and supplements can be at treating ailments and promoting well-being.

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