Sitting for hours on end increases your risk of heart attack and stroke, even if you exercise regularly.

Those likely to internalize stress are in greater danger; research has shown a benefit to laughter and social support.

More than a minor annoyance, snoring can be a sign of something more serious: obstructive sleep apnea. This disorder can cause blood pressure to skyrocket.

While the exact reason is unknown, there is a strong link between gum disease and heart disease.

Excess alcohol is linked to a greater risk of high blood pressure, high levels of blood fats, and heart failure.

Being overweight is a major risk factor for heart disease. Try to eat less, avoid oversize portions, and replace sugary drinks with water.

Red meat is high in saturated fat, and increases your risk of cardiovascular disease.

Smoking is a total disaster for your heart. It promotes blood clots, which can block blood flow to the heart, and contributes to plaque buildup in the arteries.