Adarsh Gupta, DO

7 Habits That Damage Brain

Discover the 7 habits that damage brain. Uncover the seven habits that can have a detrimental effect on the health of your brain. Gain knowledge on how to steer clear of these typical pitfalls and proactively enhance your brain’s functionality. By doing so, you can improve your cognitive abilities and overall mental well-being.


Our daily habits can greatly affect our brain, some habits can improve brain function, while others can cause significant harm. It is important to recognize and avoid these harmful habits in order to maintain a healthy brain. This article will examine seven common habits that can damage your brain and offer helpful insights and tips for a healthier lifestyle.

1. Excessive Screen Time

In the present era, the excessive use of digital devices has become a major concern, particularly due to prolonged exposure to screens. This prolonged exposure can lead to digital eye fatigue, which is characterized by symptoms such as dry eyes, blurry vision, and headaches. Moreover, it may disrupt the natural sleep-wake cycle, making it harder to fall asleep and causing sleep disturbances, leading to a decrease in cognitive function.

Reducing screen time can have various benefits on an individual’s physical and mental health, including improved sleep quality and enhanced cognitive abilities. Experts recommend limiting screen time, especially before bedtime, as the blue light emitted from screens can interfere with the production of melatonin, a hormone necessary for regulating sleep.

Therefore, it’s essential to prioritize screen-free activities to decrease screen time and enhance overall wellbeing. Activities like reading a book, engaging in outdoor activities, or spending time with family and friends can help reduce screen time and promote better physical and mental health.

2. Poor Dietary Choices

Maintaining brain health is of utmost importance as it plays a significant role in our overall well-being. The brain, being the control center of our body, requires proper nutrition to function correctly. What we eat can have a profound impact on our cognitive abilities and the risk of developing neurological disorders.

Studies have found that a diet high in processed foods and sugars can negatively impact cognitive functions such as attention, memory, and learning. It can also lead to inflammation and oxidative stress in the brain, which can increase the risk of developing neurological disorders such as Alzheimer’s and Parkinson’s disease.

On the other hand, a well-balanced diet that is rich in antioxidants, omega-3 fatty acids, and vitamins can enhance brain function and protect against damage. Antioxidants help combat oxidative stress in the brain, while omega-3 fatty acids aid in the formation of brain cells and their communication. Vitamins such as B-complex and vitamin D also play a crucial role in maintaining brain health.

Therefore, it is essential to pay attention to our diet and ensure that we consume a well-balanced meal that includes fresh fruits and vegetables, whole grains, lean proteins, and healthy fats. A healthy diet coupled with regular exercise can help keep our brains healthy and reduce the risk of developing neurological disorders.

3. Insufficient Sleep

Getting enough quality sleep is crucial for maintaining good brain health. Sleep plays a vital role in the consolidation and processing of memories, which is why chronic sleep deprivation can lead to impaired memory and reduced cognitive abilities. Moreover, studies have shown that lack of sleep over an extended period of time can increase the risk of neurological diseases such as Alzheimer’s and Parkinson’s.

To promote good brain health, it is recommended that you establish a regular sleep routine. This involves going to bed and waking up at the same time every day, even on weekends. It is also important to create a sleep-friendly environment by keeping your bedroom quiet, dark, and cool. Avoid using electronic devices before bedtime as the blue light they emit can interfere with your body’s production of melatonin, a hormone that regulates sleep.

In summary, getting enough quality sleep is essential for maintaining good brain health. By establishing a regular sleep routine and creating a conducive sleep environment, you can significantly improve brain function and reduce the risk of neurological diseases.

4. Smoking

Smoking is a habit that has detrimental effects on our bodies including the brain. It restricts the flow of oxygen-rich blood to the brain, leading to a lack of essential nutrients and oxygen, which negatively affects brain function. This results in an increased risk of stroke, which can cause permanent damage to the brain. Furthermore, smoking accelerates cognitive decline, which can lead to problems with memory, decision-making, and processing information. However, quitting smoking can significantly improve brain health and reduce the risk of neurological damage. It is a crucial step towards a healthier and more fulfilling life.

5. High Stress Levels

Prolonged exposure to chronic stress is known to have negative impacts on the brain. It can lead to memory problems and a decrease in brain volume in areas that are responsible for regulating emotions and controlling behavior. Researchers have found that stress hormones, such as cortisol, can cause damage to the hippocampus, which is a crucial part of the brain for memory formation and retention.

To maintain optimal brain health, it is essential to manage stress effectively. Mindfulness techniques, which involve focusing on the present moment and acknowledging thoughts and feelings without judgment, have been shown to be beneficial in reducing stress. Physical exercise has also been found to be an effective way of reducing stress by releasing endorphins, which are natural feel-good chemicals in the brain.

In addition to these techniques, effective time management is also crucial for managing stress. Prioritizing tasks, setting realistic goals, and taking breaks throughout the day can help reduce stress levels and prevent burnout.

By implementing these stress management techniques, individuals can help maintain their brain health and prevent the negative effects of chronic stress on their cognitive abilities.

6. Lack of Exercise

Engaging in regular physical activity is highly beneficial for maintaining good brain health. Physical activity increases blood flow to the brain, which helps to deliver vital nutrients and oxygen to the brain cells, improving cognitive function and reducing the risk of cognitive decline.

A sedentary lifestyle, on the other hand, can lead to reduced blood flow to the brain, which can cause brain cells to shrink and die. This can result in cognitive impairment, decreased memory, and an increased risk of degenerative diseases like Alzheimer’s.

It is recommended that individuals of all ages engage in regular exercise to achieve optimal brain health. Even moderate activities like walking, cycling, or swimming can help enhance brain function, and cognition, and offer protection against degenerative diseases. Regular exercise can also help to reduce stress, improve mood, and promote overall physical health.

7. Alcohol Abuse

Frequent and excessive alcohol consumption can have serious and long-lasting effects on the brain. The brain is responsible for several critical functions such as memory retention, thought processing, and decision-making. However, alcohol can interfere with these functions and cause memory loss, impaired cognitive abilities, and an increased risk of developing dementia.

Therefore, it is highly recommended to moderate the intake of alcohol or, better yet, abstain completely to protect and preserve the health of your brain. By doing so, you can avoid the negative consequences of alcohol on your brain and ensure that it functions optimally for years to come. So, it’s better to be cautious and mindful of your alcohol consumption to keep your brain healthy and functioning well.


Our daily habits significantly impact our brain health. By avoiding these seven detrimental habits, individuals can promote better brain function and reduce the risk of cognitive decline. Embracing a healthy lifestyle, with balanced nutrition, regular exercise, adequate sleep, stress management, and avoidance of harmful substances, is key to maintaining a healthy brain.


  1. Sheppard, A. L., & Wolffsohn, J. S. Digital eye strain: prevalence, measurement and amelioration, BMJ Open Ophthalmology, vol. 3, no. 1, 2018. DOI: https://doi. org/10.1136/bmjophth-2018-000146.
  2. Masana, M. F., Koyanagi, A., Haro, J. M., & Tyrovolas, S. (2017). N-3 Fatty acids, Mediterranean diet and cognitive function in normal aging: A systematic review. Experimental Gerontology, 91, 39-50.
  3. Suh, S. W., et al (2018). Sleep and cognitive decline: A prospective nondemented elderly cohort study. Annals of Neurology, 83(3), 472-482.
  4. Almeida, O. P., Garrido, G. J., Alfonso, H., Hulse, G., Lautenschlager, N. T., Hankey, G. J., & Flicker, L. (2011). 24-Month effect of smoking cessation on cognitive function and brain structure in later life. NeuroImage, 55(4), 1480-1489.
  5. Cohen, S., et al (2012). Chronic stress, glucocorticoid receptor resistance, inflammation, and disease risk. Proceedings of the National Academy of Sciences, 109(16), 5995-5999.
  6. Cabral, Danylo F., et al. “Exercise for brain health: an investigation into the underlying mechanisms guided by dose.” Neurotherapeutics 16 (2019): 580-599.
  7. Erdozain, A. M., et al (2014). Alcohol-Related Brain Damage in Humans. PLOS ONE, 9(4), e93586.

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