When you think about allergies, you probably think of a runny nose, itchy eyes, and sneezing. But they can also take a toll on your voice in several ways: 1  An allergic reaction can cause your vocal cords to swell.  Postnasal drip -- when mucus moves from your nose into your throat -- can irritate your vocal cords.
Smoking and other tobacco products can lead to gum disease by affecting the attachment of bone and soft tissue to your teeth.More specifically, it appears that smoking interferes with the normal function of gum tissue cells.This interference makes smokers more susceptible to infections, such as periodontal disease, and also seems to impair blood flow to the gums-which may affect wound healing.ore specifically, it appears that smoking interferes with the normal function of gum tissue cells. This interference makes smokers more susceptible to infections, such as periodontal disease, and also seems to impair blood flow to the gums-which may affect wound healing.
In addition, odor-causing bacteria and food particles can cause bad breath if dentures are not properly cleaned. Smoking or chewing tobacco-based products also can cause bad breath, stain teeth, reduce your ability to taste foods, and irritate your gums. Persistent bad breath or a bad taste in the mouth may be a warning sign of gum (periodontal) disease. Gum disease is caused by the buildup of plaque on teeth.