There's a known causal relationship between mouth bacteria and heart disease. It's thought that mouth bacteria cause systemic inflammation, which leads to the d

There's a known causal relationship between mouth bacteria and heart disease. It's thought that mouth bacteria cause systemic inflammation, which leads to the damage that causes heart disease. We'll likely find it also contributes to Alzheimer's (as, it seems, all pathogens and pollutants in the body seem to do).