Doctor Answers (1) on Bypass surgery
I can understand your concern.
Yes its harmful to chew tobacco and consume alcohol.
Even if he is not a patient its going to be a problem but since he is a patient , he is at more risk.
Tell him not to. Tell him to avoid all these.
Consult a cardiologist in person for further evaluation and management.
Best regards. Dr. Anil kumar jain. Bangalore.