Hi thanks for asking question. Smoking is toxic to hepatocyte.Moreover it can lead vasoconstricton and chances of portal hypertension also. Smoking aggravate liver damage. So smoking is strictly avoided. You have not mentioned cause of jaundice.It could be fatty liver or hepatitis like case. Although you have not asked I will give some advise for good liver health. -drink more fruit juice and water -Avoid trans fat -Avoid cheese, meat , burger , chps etc -Avoid refined food -avoid fatty and fried food - For cooking take omega 3 fatty acid oil like sunflower or olive or peanut oil -green leafy veg -regular exercise done -take cumine seed with water daily. -papaiya seed with water useful herbal remedy -Avoid smoke and alcohol I hope your concern solved Avoid smoke Ready to help you further You can beat thanks if it is useful to you Regards ;Dr.Parth goswami