Are you sitting comfortably? Bad idea. Stand up and walk around the house. Leave your desk and jog down the office stairs. Even better – jog up the stairs. If it’s lunchtime, go and join a yoga class or head for the shops on foot. What’s to lose? You are going to feel better and live longer.
The classic description of the sensation of a heart attack is that it’s like a heavy weight crushing your chest accompanied by a feeling of overwhelming anxiety. In films people clutch their chests, show panic in their eyes and then fall to the floor. And it can happen just like that. But not always.