True or False:

1. If you're with a person who appears to be having a heart attack, the first thing you should do is start cardiopulmonary resuscitation (CPR).

2. Body position can make a difference in blood pressure readings.

3. Oral hygiene helps your heart, and not just because it makes you more kissable.

Answers:

1. False. Dial 911 for help before you do anything else, says the AHA. Every second counts.

2. True. How you hold your arm can affect pressure readings by as much as 10 mm Hg. Have yours measured while seated with back supported, legs uncrossed, and the arm (the one tested) supported and held at heart level.

3. True. Plaque on your teeth is a good indication that there's plaque in your arteries. Bacteria can travel from the mouth to the bloodstream where they may harm arteries.

Bonus Fact: According to a study at Harvard University, women can reduce their risk of heart disease by 30% by eating eight or more servings of nutrient-rich fruits and vegetables daily.