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Common Daily Habit May Be ‘Damaging’ to Brain Function, Harvard Doctor Warns
A physician from Harvard University has issued a significant alert regarding a widespread daily practice, suggesting it could be detrimental to brain health. Dr. Saurabh Sethi, a specialist in gastroenterology, frequently utilizes platforms like TikTok to disseminate health insights to his extensive following of over 500,000 individuals.
Dr. Sethi recently highlighted the potentially harmful consequences of neglecting to brush teeth before sleep, not only for oral hygiene but also for cardiovascular well-being. Now, the 42-year-old expert is drawing attention to the possible adverse effects of prolonged daily phone usage, indicating it may be ‘ruining’ our cognitive functions.
The Impact of Constant Phone Use on Brain Health
In a widely viewed video clip, garnering tens of thousands of views and numerous interactions, Dr. Sethi outlined three key concerns related to excessive phone use:
Dopamine Overload and Reduced Focus
According to Dr. Sethi, continuous engagement with smartphones overwhelms the brain with dopamine, a neurotransmitter associated with pleasure and reward. This surge in dopamine can foster a craving for immediate gratification, potentially hindering the ability to concentrate on tasks that require sustained attention and do not offer instant rewards, such as reading or complex problem-solving.
Disruption of Oxytocin and Social Connection
Furthermore, Dr. Sethi explains that social media consumption can negatively impact the release of oxytocin, a hormone vital for feelings of social bonding and connection. Instead of fostering closeness, repeatedly viewing idealized portrayals of others’ lives online may lead to increased feelings of anxiety and isolation.
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Mental Exhaustion from Screen Overuse
Finally, Dr. Sethi emphasizes that excessive screen time can result in mental fatigue. The constant stimulation and dopamine release associated with phone use can exhaust the brain over time. He recommends engaging in offline activities, such as physical exercise or spending quality time with friends, as effective strategies for mental rejuvenation, promoting improved focus and reduced stress levels.
Viewer Reactions and Additional Health Concerns
Numerous users have responded to Dr. Sethi’s insights in the comments section. One user humorously admitted to swiping away mid-video, illustrating the very issue of short attention spans discussed. Another commenter expressed appreciation for Dr. Sethi’s advice, while another playfully pointed out the irony of delivering this message on a scrolling-based platform, to which Dr. Sethi responded with acknowledgement.
In a separate video, Dr. Sethi also addressed the potential risks associated with wearing shoes inside homes. He stated that footwear can introduce various contaminants, including pesticides, chemical substances, pathogens like viruses and bacteria, and heavy metals such as lead, into indoor environments.
Citing research, Dr. Sethi noted that a significant percentage of shoe soles harbor fecal bacteria, including E. coli. This can elevate the risk of intestinal infections and urinary tract infections, particularly concerning in households with young children who frequently explore their surroundings by putting objects in their mouths.
As a preventative measure, Dr. Sethi strongly advises individuals to remove their shoes before entering any home to minimize potential health risks associated with indoor contaminants.