Recent studies have shown that regular fasting contributes to reductions in blood pressure, 'bad' LDL cholesterol and insulin resistance.
But you'll need help - or be able to interpret an electrocardiogram.
In a study, participants with the most muscle had the lowest rates of risk factors such as high blood pressure, diabetes and obesity.
In a new study, researchers wanted to see if bacteria in the mouth might also play a role in cardiovascular health.