When the arteries become narrow your heart receives a lot less blood than it is used to.

This makes the heart work a whole lot harder than it normally would have to, leaving you feeling overly tired and drowsy just about all of the time.

3. Shortness of breath

When your heart is getting less blood this means it your lungs are not going to be able to get as much oxygen to the lungs as you normally would.

The two systems depend on one another so without one you can’t have the other. If you have been having trouble breathing it is best to consult a doctor as soon as possible, this could mean it is getting close to time for your attack.

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