In arteries, it can cause arteriosclerosis; on the teeth, in can cause decay
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Atherosclerosis  Athlete's Foot  Atrial Fibrillation  Atrophic Vaginitis (Vaginal... [DOC] [TLE] Arteriosclerosis Prevention :: Nutritional Causes of Coronary Heart ... [PAR] What nutrient deficiencies can lead to arteriosclerosis : ... and/or hardening of the 
arteries), leading to heart or coronary artery disease.