However, heart surgeon Jeremy London, MD, has a few recommendations for keeping yourself calm in these stressful situations.

2. Sit in peace: While dealing with the attack, find yourself a peaceful and silent place which will calm your senses down and will make you feel better. 3. Take Deep breaths: Taking deep breaths ...

And even without it, I tried to breathe slower and focus on the present as a way to calm myself down, two techniques I learned from the app. Still, it's a bit counterintuitive to use your iPhone ...