Avoid stress by finding time to relax.

CNN: Vital Signs health tips

Elena Piskunova likes to sing melancholic Russian folk songs in traffic jams - she claims it's the best way to relax muscles and relieve stress.

BBC: What Muscovites get up to in traffic jams

The first drink to relieve stress can lead to a need for two drinks to be able to relax.

CNN: Manage your brain -- it's your most important asset

But if harmful levels of stress continue for too long, a person may lose the ability to relax, a condition linked in research to numerous health problems.

WSJ: Stress at Work: Why Women Feel It More Than Men