True Cellular Formulas Team - January 26, 2024

3 Drinks that Damage Brain Health

A Closer Look at What You're Sipping


When it comes to nurturing our bodies and maintaining optimal health, what we choose to drink plays a pivotal role. It's easy to overlook the beverages we consume daily, often focusing more on our food choices. However, this oversight can have significant consequences, especially for our brain health. Surprisingly, some drinks that seem harmless or even healthy at first glance may harbor hidden risks. In this article, we delve into three common types of beverages that have been linked to negative impacts on the brain, including the increased risk of diseases like Alzheimer’s. Understanding the effects of these drinks is crucial in making informed choices that support not just our general well-being but specifically our brain health.

The Surprising Truth about Diet Soda

When it comes to diet soda, many of us are lured by the promise of zero calories and zero sugar. It seems like a no-brainer for those trying to maintain a healthy lifestyle, right? Unfortunately, this isn't the whole story. The key ingredient that allows diet sodas to be 'sugar-free' is artificial sweeteners, particularly aspartame. While these sweeteners don’t add calories, their impact on our health, especially our brain, is far from benign.

Recent studies have started to shed light on the dark side of artificial sweeteners. Aspartame, for instance, has been linked to an increased risk of developing diabetes.[1] This might seem counterintuitive at first – after all, aren’t these sweeteners supposed to be a safer alternative to sugar? The truth is more complex. Artificial sweeteners can still trigger insulin resistance, a precursor to diabetes.[1,2] Why is this important in a discussion about brain health? Because diabetes has been closely linked to the development of Alzheimer’s disease, which some experts have started referring to as "type 3 diabetes.[3]" This term underscores the strong connection between our sugar metabolism and brain health.

In essence, by consuming diet soda in an effort to avoid sugar, many might be unwittingly paving the way for serious brain health issues down the line. This is a classic case of a short-term solution leading to long-term problems.

The Hidden Dangers of Alcohol Consumption

Alcohol is another beverage that's deeply ingrained in many cultures and social practices. From casual drinks to celebratory toasts, it’s almost everywhere. While moderate alcohol consumption can be part of a balanced lifestyle for some, excessive and prolonged use is a different story altogether, particularly when it comes to brain health.

Firstly, alcohol has a notable impact on gut health. The gut-brain axis – the two-way communication system between your gastrointestinal tract and your brain – plays a crucial role in overall health.[4] Alcohol disrupts this delicate balance by harming the gut microbiota, leading to an array of health issues, including potential brain damage.[4]

Moreover, alcohol is notorious for its harmful effects on the liver. The liver, responsible for detoxifying harmful substances, works overtime to process alcohol. This added strain can lead to liver diseases, which subsequently impact brain health.[5] A compromised liver struggles to remove toxins from the blood, which can lead to cognitive issues and an increased risk of brain diseases.[6]

But the impact of alcohol doesn't stop there. It also tampers with the prefrontal cortex, the brain region responsible for decision-making and impulse control. This can lead to impaired judgment and risky behaviors.[7] Furthermore, alcohol is a known sleep disruptor. While many believe that a drink before bed aids in falling asleep, it actually impairs the quality of sleep. Poor sleep is a significant risk factor for cognitive decline and can hamper the brain’s ability to cleanse itself of toxins, including those linked to Alzheimer's disease.[8]

The message is clear: while enjoying an occasional drink might be harmless for some, understanding and respecting the impact of alcohol on our bodies, especially our brains, is vital for long-term health.

Sports and Energy Drinks: Not as Harmless as They Seem

The popularity of sports and energy drinks, particularly among younger individuals, has soared in recent years. These beverages are often marketed as a quick way to boost energy and improve athletic performance. However, beneath the flashy marketing lies a less talked about truth: these drinks can be detrimental to your brain health. The main culprit? The high sugar content. Unlike natural sugars found in fruits, which come with fiber and other beneficial nutrients, the sugar in sports and energy drinks is quickly absorbed into the bloodstream. This rapid absorption can lead to spikes in blood sugar levels, contributing to insulin resistance over time – a risk factor for Alzheimer's disease.[9]

But it's not just the sugar content that's concerning. Many sports and energy drinks also contain artificial sweeteners. While these might be seen as a 'healthier' alternative to sugar, they are not without their own risks. These artificial additives can have various negative effects on the body, including potential impacts on brain health.[1,2] Regular consumption of these drinks, therefore, poses a risk not just in terms of immediate physical health but also in terms of long-term brain function.

Understanding the Long-Term Effects

The impact of diet soda, alcohol, and sports/energy drinks on brain health is more than just a theoretical concern. The link between these beverages and increased risk of Alzheimer’s and other cognitive diseases is supported by a growing body of scientific research. These studies show that the ingredients and additives in these drinks can lead to changes in the brain that are associated with cognitive decline.

For instance, the insulin resistance caused by high sugar and artificial sweeteners can lead to decreased brain function over time.[10] Alcohol’s negative impact on the liver and gut health, as well as its interference with sleep, also plays a significant role in cognitive decline.[5] The continuous consumption of these beverages creates a cumulative effect, potentially paving the way for Alzheimer’s and other forms of dementia.

It’s important to recognize that these effects are often gradual and may not be immediately apparent. However, the choices we make today about what we drink can have far-reaching consequences for our brain health in the future. By being informed and making mindful decisions, we can take significant steps towards preserving our cognitive function and overall well-being.

Healthier Alternatives and Lifestyle Choices

In light of the risks associated with diet sodas, alcohol, and sports/energy drinks, it’s crucial to consider healthier alternatives. Opting for beverages that support brain health can make a significant difference in the long run. Water, unsurprisingly, stands out as the best choice for hydration without any adverse effects. Herbal teas, such as green tea or chamomile, offer antioxidants and calming properties. Natural fruit juices, consumed in moderation and preferably without added sugars, can also be beneficial due to their vitamins and minerals.

It’s not just about replacing harmful drinks with healthier ones; incorporating overall lifestyle changes is equally important. Regular physical activity, a balanced diet rich in fruits, vegetables, and pasture-raised meat, and adequate sleep are foundational for maintaining brain health. Mindfulness practices and stress reduction techniques also play a vital role in preserving cognitive function.


In summary, the relationship between our beverage choices and brain health is more significant than many realize. Diet sodas, alcohol, and sports/energy drinks, despite their popularity and perceived benefits, carry potential risks that can lead to serious long-term consequences such as Alzheimer's disease. By understanding these risks and making informed choices, we can better protect our brain health.

Adopting a lifestyle that prioritizes natural, wholesome foods and beverages, along with other healthy habits, is key to maintaining cognitive function and overall well-being. Remember, every sip counts when it comes to your brain health. Choose wisely, and nourish your body and mind for a healthier, brighter future.

  1. Czarnecka, Kamila et al. “Aspartame-True or False? Narrative Review of Safety Analysis of General Use in Products.” Nutrients vol. 13,6 1957. 7 Jun. 2021, doi:10.3390/nu13061957
  2. Mathur, Kushagra et al. “Effect of artificial sweeteners on insulin resistance among type-2 diabetes mellitus patients.” Journal of family medicine and primary care vol. 9,1 69-71. 28 Jan. 2020, doi:10.4103/jfmpc.jfmpc_329_19
  3. de la Monte, Suzanne M, and Jack R Wands. “Alzheimer's disease is type 3 diabetes-evidence reviewed.” Journal of diabetes science and technology vol. 2,6 (2008): 1101-13. doi:10.1177/193229680800200619
  4. Gorky, Jonathan, and James Schwaber. “The role of the gut-brain axis in alcohol use disorders.” Progress in neuro-psychopharmacology & biological psychiatry vol. 65 (2016): 234-41. doi:10.1016/j.pnpbp.2015.06.013
  5. Nguyen, Henry H, and Mark G Swain. “Avenues within the gut-liver-brain axis linking chronic liver disease and symptoms.” Frontiers in neuroscience vol. 17 1171253. 13 Jul. 2023, doi:10.3389/fnins.2023.1171253
  6. Heymann, Devorah et al. “The Association Between Alcohol Use and the Progression of Alzheimer's Disease.” Current Alzheimer research vol. 13,12 (2016): 1356-1362. doi:10.2174/1567205013666160603005035
  7. Kim, Soyoun, and Daeyeol Lee. “Prefrontal cortex and impulsive decision making.” Biological psychiatry vol. 69,12 (2011): 1140-6. doi:10.1016/j.biopsych.2010.07.005
  8. Spira, Adam P et al. “Impact of sleep on the risk of cognitive decline and dementia.” Current opinion in psychiatry vol. 27,6 (2014): 478-83. doi:10.1097/YCO.0000000000000106
  9. Berlanga-Acosta, Jorge et al. “Insulin Resistance at the Crossroad of Alzheimer Disease Pathology: A Review.” Frontiers in endocrinology vol. 11 560375. 5 Nov. 2020, doi:10.3389/fendo.2020.560375