Why it hurts your head: Whether you're dodging your grumpy boss or quarreling with your beloved, relationship stress can be a big source of headaches . Why? When you're anxious, you tend to take shorter breaths, says Nicole Glassman, owner of Mindful Health, a holistic health center in New York. The less oxygen you have, the more your blood vessels contract, which can lead to headaches. In addition, stress can make you clench your teeth, which, unsurprisingly, can cause headaches.
How to Zap it: Easier to say than to do, but as soon as you feel overwhelmed, make an effort to breathe. count four, hold your breath for 5-7 seconds, then exhale completely. Repeat this several times.