Smoking, high blood pressure, heart disease, certain medicines and drugs, stress, poor diet, nutrient deficiency, are some of the chronic conditions that increase the rate of heart attack.
A rapid drop in air pressure ¡ª as opposed to cold weather ¡ª may trigger some heart attacks. The incidence of heart attack, but not stroke, is increased in the 24 hours after a rapid fall in barometric pressure.
The findings of a study of more than 9,000 patients, which is reported in the British Medical Journal (BMJ), suggest that non-steroidal anti-inflammatory drugs, or NSAIDs, increase the danger of heart attack. In April 2005 the U.S. Food and Drug Administration (FDA) recommended stronger warnings on NSAIDs, including the newer generation of anti-inflammatories ¡ª COX-2 inhibitors. The link between COX-2 inhibitors and increased risk of heart attack is now well established. COX-2 inhibitors increase the risk of heart attack by raising blood pressure and making the blood more likely to clot. They do so by the same mechanisms that they use to reduce pain and inflammation
With prescription drugs Vioxx and Bextra already pulled from the market, a study has raised disturbing questions about the heart safety of long-term use of over-the-counter pain relievers such as Advil, Motrin and Aleve. Smokers in Norway who took such drugs for at least six months had twice the risk of dying of a heart attack, stroke or other heart-related problem.

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