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Health & Wellness NewsSeptember 3, 2010 | Findings may aid efforts to develop new ways to treat respiratory diseases in people, researchers say Secondhand smoke appears to trigger a complex inflammatory response in the lungs, a study in rats reveals.
The researchers exposed the animals to secondhand smoke five times per week for two or four months. The exposures occurred in two three-hour shifts twice a day, separated by a two-hour break. | | Findings reflect those of population studies in humans, researchers say  A drug widely used to treat high blood sugar in type 2 diabetics may hold some promise in the prevention of tobacco-induced lung cancer, according to extremely preliminary findings in a mouse study.
In the September issue of Cancer Prevention Research, researchers report that metformin was associated with a substantial reduction (up to 73 percent) in the number of tumors mice developed when they were given a common carcinogen found in tobacco. | | Findings may lead to better diagnosis, treatment of cancers, autoimmune diseases, study says  Human immune systems are much more alike than previously believed, a finding that may lead to new ways to detect, diagnose and treat cancer and autoimmune diseases, say U.S. researchers.
The team at the Fred Hutchinson Cancer Research Center in Seattle created a new way to sequence millions of immune system T-cell receptors from a single sample. T-cell receptors are a critical part of the adaptive immune system, which is responsible for protection against new pathogens. | | 1 year after procedure, 17% have more pain and 24% have less vitality than before, study finds  Many patients experience more physical and emotional problems a year after elective surgery than they did before their operation, researchers find.
The study team from the Netherlands interviewed 216 women and 185 men, average age 54, who underwent planned surgery, ranging from orthopedic to cosmetic procedures. | | Study finds insomniac men were more likely to die earlier  Shortchanging yourself on sleep could shave years off a man's life.
So claims a new study that found men who reported having insomnia or who slept for short periods of time were much more likely to die over a 14-year period. | |
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