Tag Archives: health

If you smoke, watch out for low back pain

If you smoke, watch out for low back pain

If you needed another reason to cut the cigarette habit: Smokers, especially younger smokers, are more likely to report low back pain than people who have never smoked, according to a new analysis.

After examining existing research, Finnish researchers concluded smoking is “modestly” associated with the risk of low back pain and the effects may be “at least partly reversible.” Their findings are published in the January issue of the American Journal of Medicine.

Dr. Rahman Shiri of the Finnish Institute of Occupational Health and colleagues wanted to know if smoking increases the risk of low back pain, a problem that affects an estimated 8 in 10 adults during some point in their lives.

Previous analysis of the existing research came to different conclusions, with one study suggesting an association between smoking and low back pain and the other reporting “unclear findings.”

The Finnish researchers identified and reviewed 81 studies from around the world involving smokers, former smokers, or never-smokers and low back pain conducted between 1966 and 2009. Of those, 40 studies involving more than 300,000 adults and adolescents met the standards for the analysis.

The Finnish team subjected the data of the individual studies to further statistical analysis to tease out the strength of relationships even as the studies reported various outcomes.

They determined that even though the data did not prove smoking leads to low back pain, the analysis of previous the literature suggested a “fairly modest” association between smoking and low back pain.

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Cellphones may protect brain from Alzheimer’s

Cellphones may protect brain from Alzheimer’s

A study in mice suggests using cellphones may help prevent some of the brain-wasting effects of Alzheimer’s disease, U.S. researchers said on Wednesday.

After long-term exposure to electromagnetic waves such as those used in cell phones, mice genetically altered to develop Alzheimer’s performed as well on memory and thinking skill tests as healthy mice, the researchers wrote in the Journal of Alzheimer’s Disease.

The results were a major surprise and open the possibility of developing a noninvasive, drug-free treatment for Alzheimer’s, said lead author Gary Arendash of the University of South Florida.

He said he had expected cell phone exposure to increase the effects of dementia.

“Quite to the contrary, those mice were protected if the cell phone exposure was stared in early adulthood. Or if the cellphone exposure was started after they were already memory- impaired, it reversed that impairment,” Arendash said in a telephone interview.

Arendash’s team exposed the mice to electromagnetic waves equivalent to those emitted by a cellphone pressed against a human head for two hours daily over seven to nine months.

At the end of that time, they found cellphone exposure erased a build-up of beta amyloid, a protein that serves as a hallmark of Alzheimer’s disease.

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Drinking shows little effect on stroke outcome

Drinking shows little effect on stroke outcome

While some research has suggested that moderate drinking may lower a person’s odds of suffering a stroke, a new study finds that it may have little long-term impact on stroke risk or stroke severity.

The findings, reported in the journal Stroke, come from a more than two-decade follow-up of nearly 22,000 U.S. male doctors. Researchers found that overall, there was no strong association between the men’s drinking habits and their odds of suffering a stroke.

Nor was there a clear connection between alcohol intake and the severity of disability following a stroke.

Some past studies, though not all, have suggested that light-to-moderate drinking may be protective against stroke — as it appears to be against heart disease. But the current study, which followed participants for an average of 22 years, was longer term than those earlier studies, the researchers point out.

In addition, a number of other studies have found that the protective effect of moderate drinking is generally weak and fades with longer-term follow-up, noted senior researcher Dr. Tobias Kurth, of the French national health institute INSERM, in Paris, and Brigham and Women’s Hospital in Boston.

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