Health Benefits of Physical Activity Scientific Evidence

    Strong Evidence
    1.  Lower risk of:
    Early death
    • Heart disease
    • Stroke
    • Type 2 diabetes
    • High blood pressure
    • Adverse blood lipid profile
    • Metabolic syndrome
    • Colon and breast cancers
    2. Prevention of weight gain
    3. Weight loss when combined with diet
    4. Improved cardiorespiratory and muscular fitness
    5. Prevention of falls
    6. Reduced depression
    7. Better cognitive function (older adults)

    Moderate to Strong Evidence
    1. Better functional health (older adults)
    2. Reduced abdominal obesity

    Moderate Evidence
    1. Weight maintenance after weight loss
    2.  Lower risk of hip fracture
    3. Increased bone density
    4. Improved sleep quality
    5. Lower risk of lung and endometrial cancers

    Children and Adolescents
    Strong Evidence
    1. Improved cardiorespiratory endurance and muscular fitness
    2. Favorable body composition
    3. Improved bone health
    4. Improved cardiovascular and metabolic health biomarkers

    Moderate Evidence
    1. Reduced symptoms of anxiety and depression

    2008 Physical Activity Guidelines for Americans