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Physical activity and mental health: systematic review

Large-scale review showing physically active individuals have 20-30% lower odds of depression and anxiety, with dose-response benefits up to 300 min/week.

Mental Health Benefits

  • Depression risk: 20-30% lower
  • Anxiety risk: 25-35% lower
  • Dose-response up to 300 min/week

Mechanisms

BDNF increase, reduced inflammation, enhanced prefrontal function.

Outcomes

  • Depression Risk
    -25
  • Anxiety Risk
    -30
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