5 unhealthy habits that are slowly, secretly damaging your brain

By Namita S Kalla | June 17, 2025 | Image: Canva

5 unhealthy habits that are slowly, secretly damaging your brain

Excessive screen time

Spending hours staring at screens,  especially without breaks, strains  your eyes and overworks your brain’s processing capacity over time

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Have reduced attention span

Constant exposure to digital media may reduce attention span, delay cognitive processing and even alter your memory formation patterns

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Lead a sedentary life

Lack of movement reduces blood flow to the brain, limiting oxygen delivery and essential nutrient circulation

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Move more, sit less

Physical inactivity can shrink brain volume over time, especially in regions linked to learning and memory retention

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Have unhealthy eating habits

A diet high in processed sugars, trans  fats and additives can trigger inflammation and slow down brain signals

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Don’t include nutrition in diet

Choose brain-friendly foods. Skipping essential nutrients like omega-3s, antioxidants and B vitamins can lower focus, memory and mood regulation abilities

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Sleep for less than 6 hours

Getting less than 6–7 hours of sleep regularly affects the brain’s ability to clear toxins and consolidate memory

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Sleep less, sleep poorly

Long-term poor sleep is linked to anxiety, depression and even increased risk of neurodegenerative diseases like Alzheimer’s

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Stay socially disconnected

Loneliness and lack of social interaction  can weaken neural networks and raise  your risk of cognitive decline

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Avoid heartful conversations

Even short, heartful conversations release brain-beneficial chemicals like oxytocin that help build resilience against stress

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