Dental research shows that smoking weakens immune systems
from Case Western Reserve University via Medical Xpress
As if lung cancer, emphysema and heart disease weren't enough, there's more bad news for cigarette smokers. Researchers at the Case Western Reserve University School of Dental Medicine found that smoking also weakens the ability for pulp in teeth to fight illness and disease. In other words, smokers have fewer defense mechanisms on the inside of their teeth.
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