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Air Pollution and Cold Days Spike Cardiac Events

sudden cardiac arrest

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  • There are physiological differences between a heart attack and sudden cardiac arrest (SCA), often leading to sudden cardiac death (SCD), as SCA is triggered by an electrical change in the heart and not an arterial blockage, one of the symptoms conventionally associated with a heart attack
  • While the number of heart attacks has declined in the past two decades, the number of SCDs has remained the same; research has found an association between air pollution, cooler weather and a higher incidence of SCD
  • Air pollution may increase your body’s inflammatory response as microparticles are inhaled, pass through the lungs to the bloodstream and accumulate on damaged areas of your vascular system
  • You may protect your health by limiting outdoor exercise on days when pollution is high and temperatures are lower, and by taking dietary measures to buffer the effects

By Dr. Mercola

There is an epidemic of heart disease in the U.S. and conventional treatments are not proving to be as effective as hoped. Some of the factors associated with an increased risk of heart disease are obesity, high blood pressure, smoking and diabetes. These factors may lead to a heart attack, during which part of the heart is deprived of oxygen, slowly killing the muscle.


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