If you consume too much tobacco and also smoke, there is a risk of oral cancer. Doctors say that 90 percent of mouth cancer patients are those who consume tobacco in some form or the other. There are many symptoms of mouth cancer, but do you know that not opening the mouth properly can also be a symptom of cancer. To what extent is it necessary to open the mouth and to what extent can there be a risk of cancer. Professor Dr. Pravesh Mehra has told about this. Watch this video..
