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Dr. John Bureau DC

Face Protection Effective In Preventing The Spread Of Influenza, Study Suggests - 0 views

  • ScienceDaily (May 22, 2009) — A new article in the journal Risk Analysis assessed various ways in which aerosol transmission of the flu, a central mode of diffusion which involves breathing droplets in the air, can be reduced. Results show that face protection is a key infection control measure for influenza and can thus affect how people should try to protect themselves from the swine flu. See also: Health & Medicine Cold and Flu Influenza Bird Flu Plants & Animals Bird Flu Research Virology Developmental Biology Reference Flu vaccine Influenza pandemic Transmission (medicine) Avian flu Lawrence M. Wein, Ph.D., and Michael P. Atkinson of Stanford University constructed a mathematical model of aerosol transmission of the flu to explore infection control measures in the home. Their model predicted that the use of face protection including N95 respirators (these fit tight around the face and are often worn by construction workers) and surgical masks (these fit looser around the face and are often worn by dental hygienists) are effective in preventing the flu. The filters in surgical masks keep out 98 percent of the virus. Also, only 30 percent of the benefits of the respirators and masks are achieved if they are used only after an infected person develops symptoms. "Our research aids in the understanding of the efficacy of infection control measures for influenza, and provides a framework about the routes of transmission," the authors conclude. This timely article has the potential to impact current efforts and recommendations to control the so-called swine flu by international, national and local governments in perspective. This study is published in the journal Risk Analysis.
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    for more articles, see blog: drjohndc.tumblr.com
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    ScienceDaily (May 22, 2009) - A new article in the journal Risk Analysis assessed various ways in which aerosol transmission of the flu, a central mode of diffusion which involves breathing droplets in the air, can be reduced. Results show that face protection is a key infection control measure for influenza and can thus affect how people should try to protect themselves from the swine flu. Lawrence M. Wein, Ph.D., and Michael P. Atkinson of Stanford University constructed a mathematical model of aerosol transmission of the flu to explore infection control measures in the home. Their model predicted that the use of face protection including N95 respirators (these fit tight around the face and are often worn by construction workers) and surgical masks (these fit looser around the face and are often worn by dental hygienists) are effective in preventing the flu. The filters in surgical masks keep out 98 percent of the virus. Also, only 30 percent of the benefits of the respirators and masks are achieved if they are used only after an infected person develops symptoms. "Our research aids in the understanding of the efficacy of infection control measures for influenza, and provides a framework about the routes of transmission," the authors conclude. This timely article has the potential to impact current efforts and recommendations to control the so-called swine flu by international, national and local governments in perspective. This study is published in the journal Risk Analysis.
Matti Narkia

The Heart Scan Blog: Sterols should be outlawed - 0 views

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    While sterols occur naturally in small quantities in food (nuts, vegetables, oils), food manufacturers are adding them to processed foods in order to earn a "heart healthy" claim. The FDA approved a cholesterol-reducing indication for sterols , the American Heart Association recommends 200 mg per day as part of its Therapeutic Lifestyle Change diet, and WebMD gushes about the LDL-reducing benefits of sterols added to foods. Sterols--the same substance that, when absorbed to high levels into the blood in a genetic disorder called "sitosterolemia"--causes extravagant atherosclerosis in young people. The case against sterols, studies documenting its coronary disease- and valve disease-promoting effects, is building
Matti Narkia

Sham vs. Wham: The Health Insider: Urban Dwellers Alert: Exhaust Fumes Cause Arterial S... - 0 views

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    Do you live in a big city or an area where you are sometimes forced to inhale car and truck exhaust? If so, you should strongly consider using a face mask, because exhaust causes arteries to lose their flexibility. Researchers writing in the journal Particle and Fibre Toxicology found that exposure to engine pollution resulted in arterial stiffness in a group of healthy volunteers.
Matti Narkia

Pascal's Wager and Pandemic Influenza - Vitamin D Newsletter Nov 2005 - 0 views

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    EPIDEMICS' TIMING DETERMINED BY LATITUDEGoing back to 1945, Hope-Simpson discovered that influenza epidemics above 30 degrees latitude in both hemispheres occurred during the six months of least solar radiation and that outbreaks in the tropics almost always occured during the rainy season. He thus concluded, "Latitude alone broadly determines the timing of the epidemics in the annual cycle, a relationship that suggests a rather direct effect of some component of solar radiation acting positively or negatively upon the virus, the human host, or their interaction." That is, something may be regularly reducing our immunity every fall and winter. In 2003 researchers confirmed that influenza epidemics in the tropics occur, with few exceptions, during the rainy season, when vitamin D levels should be falling
Matti Narkia

Wine Won't Cut Breast Cancer Risk - 0 views

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    March 9, 2009 -- Red or white wine with dinner? A new study suggests a woman's wine choice should be based on personal preference rather than any hope that a wine's color may affect its breast cancer-fighting ability. "We found no difference between red or white wine in relation to breast cancer risk. Neither appears to have any benefits," researcher Polly Newcomb, PhD, MPH, head of the Cancer Prevention Program at the Fred Hutchinson Cancer Research Center in Seattle, says in a news release.
Matti Narkia

Low vitamin D may be a bigger problem than thought - 0 views

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    Many U.S. teenagers -- including half of African Americans -- would be considered vitamin D-deficient if the definition of deficiency were changed to what many experts recommend, a new study finds. Right now, people are considered to have an overt deficiency in vitamin D when blood levels drop below 11 nanograms per milliliter (ng/mL), but there is debate over how the optimal vitamin D level should be define
Robert Peil

Simple Blueberry Crisp - 0 views

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    This simple blueberry crisp recipe will show that with only 5 ingredients you can put together a yummy treat in a snap. A fool proof way to make a healthy blueberry dessert! Blueberries belong to the healthy foods category and should be considered a mainstay of every healthy diet because of their outstanding health benefits, so how about an easy way to make a simple blueberry crisp treat?
Robert Peil

Simple Blueberry Crisp Recipe Review - 0 views

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    This simple blueberry crisp recipe review will show that with only 5 ingredients you can put together a yummy treat in a snap. A fool proof way to make a healthy blueberry dessert! Blueberries belong to the healthy foods category and should be considered a mainstay of every healthy diet because of their outstanding health benefits, so how about an easy way to make a simple blueberry crisp treat?
Matti Narkia

YouTube - Whats a Vitamin D Deficiency? - 0 views

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    Professor Robert P. Heaney's talk about vitamin D deficiency and what actions should be taken
Matti Narkia

Low-carbohydrate diets increase LDL: debunking the myth | The Blog of Michael R. Eades... - 0 views

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    This week sees the publication of yet another study showing the superiority of the low-carbohydrate diet as compared to the low-fat diet. This study, published in the prestigious American Journal of Clinical Nutrition, demonstrates that subjects following the low-carb diet experience a decrease in triglyceride levels and an increase in HDL-cholesterol (HDL) levels; and that these changes are accompanied by a minor increase in LDL-cholesterol (LDL), which prompts the authors to issue a caveat. Yes, although just about all the parameters that lipophobes worry about improved with the low-carb diet, the small increase in LDL has caused great concern and has prompted the authors to gravely announce that this small increase is troublesome and should be monitored closely in anyone who may be at risk for heart disease. Since most people who go on low-carb diets do so to deal with obesity issues, and since obesity is a risk factor for heart disease, it would appear that this small increase in LDL often seen in those following a low-carb diet could put these dieters at risk. Does it? We'll see.
Matti Narkia

Development Of Liver Cancer Prevented By Long-Term L-Carnitine Supplementation - 0 views

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    Authors of the study reported that carnitine deficiency is a risk factor and should be viewed as a mechanism in hepatic carcinogenesis, and that long-term L-carnitine supplementation prevents the development of liver cancer. Therefore, carnitine supplementation alone or in combination with other natural chemopreventive compounds could be used to prevent, slow or reverse the occurrence of liver cance
Matti Narkia

EFSA sets lower tolerable intake level for cadmium in food - 0 views

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    The European Food Safety Authority's Panel on contaminants in the food chain has set a reduced tolerable weekly intake (TWI)[1] for cadmium of 2.5 micrograms per kilogram of body weight (µg/kg bw), based on an analysis of new data. The TWI is the level at which adverse effects are not expected. Average dietary exposure to cadmium for adults across Europe is around this level. Some population groups - vegetarians, children, smokers and people living in highly contaminated areas - can have a higher level of exposure up to twice the TWI. However, the Panel concluded that even for these groups the risk of adverse effects would be very low. The Panel concluded that current exposure to cadmium at the level of the population should be reduced.
Matti Narkia

Sloan-Kettering - Garlic - 0 views

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    Derived from the bulb or clove of the plant. Garlic is used as a spice and to treat hyperlipidemia, hypertension, atherosclerosis, cancer, and infections. Processing can have a substantial effect on the chemical content in garlic; the volatile oil components are sensitive to heat and certain enzymes are acid-labile. Several oral garlic formulations are available, and clinical studies have addressed a variety of the proposed claims. Placebo-controlled trials on the cholesterol lowering effect of garlic yielded mixed results (16) (17) (18) (21) (22) (26). Studies evaluating the antithrombotic effects repeatedly have shown modest reduction in platelet aggregation, but varying levels of fibrinolytic activity. Research shows mixed effects with regard to reductions in blood glucose, blood pressure, or risk of cardiovascular disease (23). Frequently reported adverse events include bad breath, headache, fatigue, GI upset, diarrhea, sweating, and possible hypoglycemia (9). Because garlic is known to decrease platelet aggregation and potentially elevate the INR, it should not be used with anticoagulants or in patients with platelet dysfunction (15). Garlic appears to induce cytochrome p450 3A4 and may enhance metabolism of many medications (e.g. cyclosporin and saquinavir) (12). An analysis of several case-control studies in Europe suggests an inverse association between garlic consumption and risk of common cancers (25).
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