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Stem Celll Activation In Damaged Lungs Could Be First Step Toward Cancer
Stem cells that respond after a severe injury in the lungs of mice may be a of rapidly dividing cells that lead to lung cancer, according to a team of American and British researchers.
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What Are Kidney Stones? What Causes Kidney Stones?
Kidney stones, usually comprised of a compound called calcium oxalate, are the result of a build-up of dissolved minerals on the inner lining of the kidneys. These deposits can grow to the size of a golf ball while maintaining a sharp, crystalline structure. They may be small and pass unnoticed out of the urinary tract, but they may also cause extreme pain upon exiting. Kidney stones that remain inside the body can lead to many conditions, including severe pain and ureter (the tube connecting the kidney and bladder) blockage that obstructs the path urine uses to leave the body.
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Finance Committee Seeks To Trim Cost Of Bill
"A draft proposal in the Senate to overhaul the nation"s health-care system would require most people to buy health insurance, authorize an expansion of Medicaid coverage and create consumer-owned cooperative plans instead of the government coverage that President Obama is seeking," the Washington Post reports. The proposal, a preliminary version of legislation being shaped by the Senate Finance Committee, also contained "an array of coverage provisions that were drastically scaled back from earlier versions, as lawmakers seek to shrink the bill"s overall cost."
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Loneliness Among Older People, Study

Professor Bo Malmberg and Professor Gerdt Sundstrē¶m at the School of Health Sciences in Jē¶nkē¶ping, Sweden have studied loneliness among older people. A common stereotype about older people is that loneliness is typical for older women, rather than for older men. One problem with this stereotype is that feelings of loneliness are not particularly common among either men or women in the Nordic countries. "Some studies show a lower prevalence among women and some a lower among men. We use several national and local surveys to analyze gender differences in perceived loneliness. Longitudinal surveys, which enable us to analyze changes during ageing,", says Bo Malmberg and Gerdt Sundstrē¶m Older people who still live at home in communities in Scandinavian welfare states are either married or living alone, with the latter group reporting more of a sense of loneliness. Two mar÷­riages out of three end in the death of the husband, and if marital status is excluded from the equation, most of the differences in loneliness between the genders disappear. Yet, in the 80+ age group, (the few) men who live alone report a higher frequency of loneliness than women in the same category. At that age, most men are still married, but most women are living alone. These patterns are even more pronounced in the 90+ age group. "We interpret the results as the outcome of selection mechanisms and that they may reflect male-female differences in marital adaptation. Those men who survive and live alone are more often from a working-class background and in poor health, while women who live alone are socially and health-wise a more heterogeneous group", says Bo Malmberg and Gerdt Sundstrē¶m. There may also be a difference in marital back÷­ground, colouring the way men and women see their situation: men more often have had their wives as their only confidant, whereas women have a wider social network and may even see their new solitary life as a relief. Vetenskapsradet


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