The title of this article pretty much says it all: Not brushing your teeth can trigger dementia and heart disease: A unique experiment shows how bad dental hygiene wrecks your entire body’s immune system
A doctor conducted an experiment using himself as a guinea pig. He is an infectious diseases specialist and admits to knowing almost nothing about teeth. As he said, “It’s not something you learn about at medical school”. He only brushed half of his teeth for two weeks. He wore a guard on the un-brushed teeth just to make sure he did not receive the positive results of the ½ brushing.
Result: bleeding gums, mild gum disease, a compromised immune system.
“Lab tests using my white blood cells — the soldiers of the immune system — showed they had become less effective at moving towards an infectious invader when it was introduced to them.