heart rate p90x

Heart Rate to burn calories?

Does the faster your heart beat, the more calories you lose? So if you get anxious and ure sitting down, do u burn more calories?

Also, does anyone know anyways to boost your metabolism

also do u know anything about p90x?

Not sure about the 1st 2 questions, but you can eat 5-6 smaller meals a day to keep food in your stomach.

Fat Burning Heart Rate