Category: Scientific/Technical Items
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NRC Report Suggests Past Smoking, Obesity Behind Shorter Lifespans
The National Research Council (NRC) recently issued a report suggesting that past smoking and current obesity levels are major reasons why U.S. life expectancy at age 50, though still rising, has not kept pace with that of other high-income countries, such as Japan and Australia. Sponsored by the National Institute on Aging’s Division of Behavioral…
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JAMA Commentary Warns of Energy Drink Risk
A January 25, 2011, commentary in the Journal of the American Medical Association (JAMA) has claimed that “regular (nonalcoholic) energy drinks might pose just as great a threat to individual and public health and safety” as the alcoholic versions recently barred by the Food and Drug Administration (FDA) and Federal Trade Commission (FTC). According to authors Amelia…
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New Study Questions HDL Cholesterol’s Role
A recent study has reportedly questioned the role of HDL cholesterol in lowering heart disease risk, suggesting instead that one specific protein or compound in so-called “good” cholesterol might be better than others at removing bad cholesterol. Amit Khera, et al., “Cholesterol Efflux Capacity, High-Density Lipoprotein Function, and Atherosclerosis,” New England Journal of Medicine, January 13,…
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Red Meat Allegedly Linked to Women’s Stroke Risk
A recent study has reportedly suggested that women who consume more than 3.6 ounces of red meat daily had a 42-percent risk of cerebral infarction compared to those who ate less than 1 ounce. Susanna C. Larsso, et al., “Red Meat Consumption and Risk of Stroke in Swedish Women,” Stroke, December 2010. Swedish researchers evidently…
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Bumble Bee Decline to Affect Agricultural Crops
A recent study has reportedly confirmed a massive die-off in four North American bumble bee species, raising concerns about the effects on agricultural crops and native plants. Sydney Cameron, et al., “Patterns of Widespread Decline in North American Bumble Bees,” PNAS, January 3, 2011. Led by University of Illinois Entomology Professor Sydney Cameron, researchers examined…
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New Studies Examine Nanoparticles in Food Chain
According to University of Kentucky researchers, manufactured nanoparticles discharged into waste streams could wind up in agricultural biosolids and thus enter the food chain. Jonathan D. Judy, et al., “Evidence for Biomagnification of Gold Nanoparticles within a Terrestrial Food Chain,” Environmental Science & Technology, December 2010. The study’s authors reportedly used gold nanoparticles to examine…
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Study Purportedly Links Diacetyl to Bronchiolitis Obliterans
A recent study has proposed a model linking the butter flavoring known as diacetyl to bronchiolitis obliterans syndrome, a lung disease diagnosed in microwave popcorn plant workers. James Mathews, et al., “Reaction of the Butter Flavorant Diacetyl (2,3-Butanedione) with N-α Acetylarginine: A Model for Epitope Formation with Pulmonary Proteins in the Etiology of Obliterative Bronchiolitis,”…
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Researchers Suggest Limited Parental Influence on Eating Habits
A literature review and meta-analysis of global studies published since 1980 has reportedly found a “weak association” between parents’ dietary intake and that of their children, suggesting to lead author Youfa Wang that “family environment plays only a partial role” in people’s eating patterns. Youfa Wang, et al., “Do children and their parents eat a…