Wow...I came in here with the idea that I would be able to respond quite knowledgably to this thread but birdgirl73 got EVERYTHING. She's exactly right.

Smoking anything does effect the heart and he will look more closely for any kinds of anything, including the things birdgirl73 mentioned. I would definitly tell him but make sure he'll keep it confidential first. Most will, but there are a few that might tell. Know your doctor. It is a big factor though so I advise telling him.

Props to birdgirl73 for being smart!!