We've been told not to get angry - because it raises blood pressure. While fizzy drinks do nothing but rot your teeth and make you fat. But new research has shown that many of our bad habits may also be good for us. Here, VICTORIA LAMBERT presents the Good Health guide to when and why our bad habits can be positively virtuous...

Anger - Good for your blood pressure

We used be warned off getting angry because it raised blood pressure, but now it seems letting off a head of steam may bring physical benefits.

Researchers from the Carnegie Mellon University in Pittsburgh have found that people who respond to irritating, high-stress situations with some righteous anger maintain lower blood pressure and secrete less cortisol, known as the stress hormone, than people who respond with fear or bottle up their feelings.

It seems to be about how you react to situations. Demonstrating a level of anger that seems proportionate - such as letting off steam at an unjust situation - helps you develop increased feelings of control and optimism. But being fearful or frustrated doesn't, leading to a rise in the stress hormone, which when experienced for prolonged high levels, can lead to heart disease...

Read more: http://www.dailymail.co.uk/health/article-1210341/Being-bad-good-Playing-blaring-rock-music-skipping-housework-actually-boost-health.html#ixzz0PyrX6ByB

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