Brain Fog: 5 Steps to Improve Brain Functioning and Overall Health
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Mental Health

5 Ways to Beat Brain Fog

October 21, 2019

Brain fog can have many different causes, but they all make you not feel like yourself, can affect your work and relationships, and leave you feeling a little crazy. Here’s how to battle the fog.

Brain health is not only critical to mental capacity but is also paramount to emotional wellbeing. Your feelings and your thoughts are intimately connected and to feel good, you have to think good. At Parsley Health, we’re all about optimization, and we have many members that come to us looking for better mental focus, clarity and brain power.

What is brain fog?

Brain fog can show up in a variety of ways. Mostly it feels like your head contains cotton candy where there once was dense intellectual nervous tissue. The lights are on, but there’s nobody home.

You might be unable to concentrate for long enough—on work tasks, conversations, or even on the words you’re reading right now. You may have difficulty making up your mind, small decisions are a big deal, you need more coffee to focus, more snacks to stay awake, and more booze at night for temporary relief from the fog. In more severe cases, you might have headaches, problems with your vision or even nausea.

What causes brain fog?

Brain fog can be a symptom of a nutrient deficiency, sleep disorder, bacterial overgrowth from overconsumption of sugar, depression, or even a thyroid condition. Other common brain fog causes include eating too much and too often, inactivity, not getting enough sleep, chronic stress, and a poor diet. These are some of the most common causes of brain fog that we see at Parsley Health.

Hormonal imbalance

A hormonal imbalance, or when your body is producing too much or too little of a specific hormone, is a common cause of brain fog. Thyroid hormone imbalances are frequently linked to brain fog. This is especially true with Hashimoto’s thyroiditis, an autoimmune immune disease where your immune system attacks your thyroid, inhibiting it from producing enough thyroid hormones and creating an inflammatory state. Low thyroid hormone aka hypothyroidism can lead to decreased cognitive function and a blood sugar imbalance that contributes to low levels of glucose that lead to brain fog.

Impaired sleep

Poor sleep hygiene, like an irregular sleep and wake time, getting less than seven to eight hours of sleep a night, or blue light exposure before bed disrupts your natural circadian rhythm aka your internal body clock. This  contributes to brain fog in a few different ways. In the case of blue light exposure close to bedtime, the blue wavelengths decrease the hormone melatonin that is essential for deep REM sleep. Both REM and non REM sleep is required to consolidate and process memories from the day. During the hours of 10pm and 2am is when your body and brain detoxify the most, so remaining in an active state during this time disrupts the body’s natural detoxification process and can contribute to fogginess.

A wake time that doesn’t fall at the end of a sleep cycle can also impair your cognitive function and cause you to be more tired and foggy during the day. Apps like Sleep Cycle use your movement throughout the night to track what stage of sleep you’re in and sets an alarm to go off at the end of your sleep cycle, ensuring you won’t be disrupted mid deep sleep, as a conventional alarm clock tends to do. Note that hitting the snooze button once your alarm goes off won’t make you feel more rested, but instead increases your likelihood of falling asleep, only to be disrupted again.

Diet deficiencies and food sensitivities

Vitamin B12 contributes to the formation of red blood cells and the maintenance of your central nervous system. It’s why a deficiency in B12 is sure to impair your energy levels and elicit an overall feeling of fatigue. A vitamin D deficiency can also be behind brain fog as decreased vitamin D levels are associated with impaired cognitive function. An unidentified food intolerance can also contribute to the foggy feeling you’re experiencing. For example, gluten intolerance can lead to cognitive dysfunction via inflammatory pathways. Advanced blood work that looks at your nutrient levels as well as an elimination diet or food allergy or sensitivity testing can determine if any of these could be contributing to your brain fog.

How to get rid of brain fog and improve focus

1. Give your digestive system a rest.

Intermittent fasting is all the rage in the nutrition and weight loss world. But it’s not just beneficial for dropping pounds, calorie restriction and longer periods between meals can also promote neurological health and decrease neurodegenerative diseases. Start with trying to extend the time between the last meal of the day and the first meal of the next day. Shoot for 12 hours. This promotes a process called ketogenesis, which can stimulate brain regeneration. But ketogenesis can be tricky and should be practiced under the guidance of someone who knows what they’re doing. Work with a Parsley Health doctor and coach to leverage both the timing and contents of your meals for better mental focus.

2. Move it or lose it.

Neurodegenerative disorders such as Alzheimer’s dementia and even mild cognitive dysfunction are more prevalent in sedentary populations. Increased activity levels are clearly associated with sharper mental acuity, a better memory and an elevated mood. Exercise causes the release of helpful chemical messengers called cytokines as well as chemicals that are responsible for elation called endorphins. These chemicals bathe and rejuvenate the brain. Try to engage in some type of enjoyable movement every day. Walk, run or dance. Whatever floats your boat will surely also float your mood.

3.Be an efficient sleeper.

The classic mistake people make with their brains, whether it’s dealing with work, school or whatever looming project deadline, is that they try to maximize their time by staying up late and/or getting up early. This typically backfires because cognitive abilities decrease with sleep deprivation. Sleep at least seven hours nightly, preferably eight or even nine when possible. The quality of your work will increase while the time it takes to produce such quality work will diminish.

4. Balance active workouts with active tune-ins.

Many types of exercise stimulate the sympathetic nervous system which is responsible for “fight or flight” responses. Unfortunately, your body doesn’t know the difference between running on a treadmill or running from danger—both look like stress. Stress manifests as brain fog. In order to reduce stress, you need to flex your parasympathetic nervous system, which is engaged during rest and relaxation and helps to calm your body and your mind. You can do this by incorporating more meditation and yoga into your routine.

5. Feed your brain.

Your brain is made up of a lot of fat and protein. Does it make sense that our diets are low in both of these food groups? Not so much. Sugary processed stuff is not your brain’s fave food. Stick to plant-based Paleo (mostly vegetables, enough protein, and always some good fats). Get plenty of omega-3 fatty acids (for their anti-inflammatory powers), a lot of antioxidants and coenzyme Q10 (essential for energy), and boost your body’s natural energy production and regeneration with essential vitamins and minerals.

Parsley Health is the only medical practice that leverages personalized testing with whole body treatments.

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