Hello Doctor,Actually one of my uncle who is 59yrs old and he works in a Bar and he sit form morning 10am to till night 10.30pm ,He is working there from the age of 16 till now..from few years he have problem with his leg ..His leg has become black colour and i think there is no proper blood circulation..now he have verymuch pain when he walk and even if he sit for long time..He had shown this to many doctors but they give some medicine and he take all that but till now it is not cured..

Request you to advice..