You Don't Say

Junk food and poor oral health increase risk of premature heart disease

The association between poor oral health and increased risk of cardiovascular disease should make the reduction of sugars such as those contained in junk food, particularly fizzy drinks, an important health policy target, say experts writing in the Journal of the Royal Society of Medicine.
Poor oral hygiene and excess sugar consumption can lead to periodontal disease where the supporting bone around the teeth is destroyed. It is thought that chronic infection from gum disease can trigger an inflammatory response that leads to heart disease through a process called atherosclerosis, or hardening of the arteries. Despite convincing evidence linking poor oral health to premature heart disease, the most recent UK national guidance on the prevention of CVD at population level mentions the reduction of sugar only indirectly.

And soda contains acid which activates the bacteria even more...