Itching or Burning: Some people discover itching or maybe a burning sensation round the influenced veins. Varicose veins are a common issue due to weak or destroyed vein walls and valves. Veins have a person-way valves within them that open and shut to maintain blood flowing towards the heart. 瓣膜弱化或受损可能导致静脉曲张。动脉将血液从心脏输送到身体的其他部位。静脉将血液从身体其他部... https://www.sgvascularctr.com/varicose-veins-explained/