Well, yes, one has to use common sense, which isn't so common sometimes. My quip about drinking vinegar was a response to Auchen's humorous post about giving up drinking DHMO. One has to be careful with any acids, of course, including vinegar, I suppose. As stated, somewhat off topic of course, I use it in salad dressings, but would never recommend that to anyone else. Some here might want to check their MSDS data sheets first.