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Recent News
Paracetamol linked to heart attack risk: Fears over high doses taken for a long time
Daily paracetamol could raise the risk of heart attacks, stroke and early death, a major study warns today. It found that patients prescribed high doses of the painkiller for long periods were up to 63 per cent more likely to die unexpectedly. The risk of having a heart attack or stroke was up to 68 per cent higher and there was an almost 50 per cent greater chance of having a stomach ulcer or bleed. Paracetamol is considered by doctors to be safer than aspirin, which can cause stomach bleeds, and ibuprofen, which has been linked to heart attacks and strokes. But British researchers who looked at studies involving 666,000 patients say the risks may have been underestimated and are calling for a major review to be conducted into the drug's safety. They think paracetamol may be causing illness by preventing the action of an enzyme in the body called COX-2. Scientists from the Leeds Institute of Rheumatic and Musculoskeletal Medicine looked at eight studies that contained information on patients taking paracetamol daily for up to 14 years, for conditions such as arthritis and severe back pain. They also covered patients who took the medicine less often or hardly at all. Philip Conaghan, who led the research, pointed out that for most patients the risks were very small and those given paracetamol over a long period would have illnesses likely to kill them early. For this reason it was difficult to be sure the drugs were causing problems.
Drinking coffee may lower risk of multiple sclerosis
People who drink four to six cups of coffee daily may be less likely to get multiple sclerosis, according to international research out Thursday. "Caffeine intake has been associated with a reduced risk of Parkinson's and Alzheimer's diseases," said lead author Ellen Mowry of the Johns Hopkins University School of Medicine in Baltimore, Maryland. "Our study shows that coffee intake may also protect against MS, supporting the idea that the drug may have protective effects for the brain," she added. The findings of a US and Swedish study -- released ahead of the American Academy of Neurology annual meeting in Washington -- each compared more than 1,000 MS patients to a similar number of healthy people. Researchers tracked how much coffee the subjects drank in the one, five and 10 years before symptoms began for those afflicted with MS. After accounting for other factors such as age, sex, smoking, body mass index and sun exposure, the Swedish study found that "compared to people who drank at least six cups of coffee per day during the year before symptoms appeared, those who did not drink coffee had about a one and a half times increased risk of developing MS." Similar protective effects were seen among those who drank lots of coffee five to 10 years before symptoms appeared. The US study found that "people who didn't drink coffee were also about one and a half times more likely to develop the disease than those who drank four or more cups of coffee per day in the year before symptoms started to develop." More research is needed to determine if caffeine in coffee has any impact on relapse or long-term disability due to MS, an incurable disease of the central nervous system that affects 2.3 million people worldwide. The study was funded by the Swedish Medical Research Council, the US National Institute of Neurological Disorders and Stroke, the National Institute of Environmental Health Sciences and the National Institute on Aging.
Monday March 30, 2015
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