(HealthDay News) -- Varicose veins occur when blood pools in the lower leg because vascular valves don't work sufficiently to promote blood flow back to the heart.
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The Society for Vascular Surgery says varicose veins:
- May bulge.
- Could be painful or cause a burning sensation, or a feeling of heaviness or tiredness in the legs.
- May itch.
- Could change color, and feel hard or hot.
- May cause no symptoms.
-- Diana Kohnle
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