Concentration can and should be trained!
What disrupts concentration?
Health-related factors:
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Deficiencies in vitamins and minerals
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Hypothyroidism
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Hypoglycemia / insulin resistance
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Hormonal imbalances (pregnancy, PMS, menopause)
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Gut issues such as dysbiosis or inflammation
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Chronic fatigue syndrome, anemia
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Improper oxygenation
Psychological and emotional factors:
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Chronic stress
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Anxiety, nervousness
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Depression or burnout
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Overstimulation
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Anxiety disorders, ADHD, OCD
Environmental factors:
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Lack of sleep or poor-quality sleep (even one night without sleep can reduce concentration by 30–40%)
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Lack of physical activity
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Excessive screen time and notifications
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Multitasking (doing several things at once weakens focus)
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Poor nutrition (high sugar intake, lack of fiber and protein)
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Dehydration
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Lack of natural light and fresh air
Stimulants and substances:
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Too much caffeine (leads to jitters, anxiety, and “scatter-brain” effect)
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Addictions such as smoking, alcohol, or drugs – may offer short-term focus but impair it long-term
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Medications affecting the nervous system (e.g. sedatives, certain painkillers)
Work style and mental habits:
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No breaks or sitting too long on one task
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Time pressure and high expectations (the brain switches into “panic mode”)
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Poor time management (constantly “jumping” between tasks)
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Working in a distracting environment (phone, noise, roommates).
