Medicine

Gene Expression

Category archives for Medicine

Randomized trial of vitamin D supplementation to prevent seasonal influenza A in schoolchildren: Design: From December 2008 through March 2009, we conducted a randomized, double-blind, placebo-controlled trial comparing vitamin D3 supplements (1200 IU/d) with placebo in schoolchildren. The primary outcome was the incidence of influenza A, diagnosed with influenza antigen testing with a nasopharyngeal swab…

Vitamin D & T cells

I have mentioned before the current fad in vitamin D related papers in the medical literature. It’s also broken into the pop culture Zeitgeist as well, I regularly get forwards on the topic. Here is a Google Trends chart for the United States: The history of medicine is, unfortunately, rather similar to the history of…

More children = lower blood pressure

Raising Kids May Lower Blood Pressure: A new Brigham Young University study found that parenthood is associated with lower blood pressure, particularly so among women. … The study involved 198 adults who wore portable blood pressure monitors, mostly concealed by their clothes, for 24 hours. The monitors took measurements at random intervals throughout the day…

Why I avoid processed foods

The Accuracy of Stated Energy Contents of Reduced-Energy, Commercially Prepared Foods: The accuracy of stated energy contents of reduced-energy restaurant foods and frozen meals purchased from supermarkets was evaluated. Measured energy values of 29 quick-serve and sit-down restaurant foods averaged 18% more than stated values, and measured energy values of 10 frozen meals purchased from…

The myopia epidemic!

Increased Prevalence of Myopia in the United States Between 1971-1972 and 1999-2004: Results Using the 1971-1972 method, the estimated prevalence of myopia in persons aged 12 to 54 years was significantly higher in 1999-2004 than in 1971-1972 (41.6% vs 25.0%, respectively; P < .001). Prevalence estimates were higher in 1999-2004 than in 1971-1972 for black…

Tuberculosis resistance

Two loci control tuberculin skin test reactivity in an area hyperendemic for tuberculosis: Approximately 20% of persons living in areas hyperendemic for tuberculosis (TB) display persistent lack of tuberculin skin test (TST) reactivity and appear to be naturally resistant to infection by Mycobacterium tuberculosis. Among those with a positive response, the intensity of TST reactivity…

Africans, disease, history and ecology

Interesting review paper on disease and Sub-Saharan African, Neglected Tropical Diseases in Sub-Saharan Africa: Review of Their Prevalence, Distribution, and Disease Burden: The neglected tropical diseases (NTDs) are the most common conditions affecting the poorest 500 million people living in sub-Saharan Africa (SSA), and together produce a burden of disease that may be equivalent to…

Kambiz of Anthropology.net is back. His first offering reports on a new paper on the evidence for leprosy in India 4,000 years ago. …Lots of hallmarks in human existence occurred during this time period, some being inventions in system of writing, standardized weights and measures, monumental architecture, and trade networks that stretched to Mesopotamia and…

Via Marginal Revolution, Has Overweight Become the New Normal? Evidence of a Generational Shift in Body Weight Norms: We test for differences across the two most recent NHANES survey periods (1988-1994 and 1999-2004) in self-perception of weight status. We find that the probability of self-classifying as overweight is significantly lower on average in the more…

You might have already see this chart relating obesity to time spent eating in The New York Times: The commentary accompanying the chart goes like so: On Monday, in posting some of the data from the Organization for Economic Cooperation and Development’s Society at a Glance report, I noted that the French spent the most…