I had heart surgery for mitral valve repair.. 3 months ago. any harm to me if i inhale 2nd hand some from marijuana or cigarettes? no coronary disease

Ask surgeon: Speak to your cardiologist. There are many potential effects of smoking on circulation and thc and tobacco should often be avoided.

Avoid: Smoke from both cannabis and tobacco acts as a respiratory irritant. Would avoid contact.

Yes. : The american lung association and the canadian cancer society, among other organizations, have determined that secondhand smoke from marijuana is harmful, whether or not you have had heart surgery, or if you have coronary disease.