News from The Guardian: Constant stress linked to stroke risk

A recent study has found that being under constant stress can increase the risk of stroke, while it is unclear whether increasing the stress or risk behaviors that we have when we are stressed.
When under pressure have a greater chance of becoming ill, which has been confirmed in several investigations: it has found a link between stress and coronary disease, increasing the likelihood of a heart attack when subjected to higher stress levels.
In this latest study, researchers asked how was their level of stress in the last 5 years to 566 patients who had suffered a stroke and 593 healthy people. People who had suffered a stroke claimed to have higher stress levels.

http://www.guardian.co.uk/lifeandstyle/besttreatments/2009/oct/02/constant-stress-linked-to-stroke-risk