Word: indexation
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...start with a hypothesis. In studying online shopping's relationship to our shaky economy - from high oil prices to the housing crisis and talks of recession - I expected that a chart of visits to online retailers would show a precipitous decline. According to the latest Reuters/University of Michigan Consumer Index, consumer confidence has reached the lowest level in 28 years...
...facts show that my hypothesis is completely wrong: Visits to online shopping sites are up compared to the previous year. Perhaps the increase could be explained by consumer price sensitivity. In the same University of Michigan Consumer Index report, consumers expect an inflation rate of 5.6% over the next 12 months. Here's a new hypothesis: when economic times get tough, online shopping sites become an important tool to help consumers find the best price on potential purchases...
...Association (AMA) and co-funded by the Department of Health and Human Services (HHS) and the Centers for Disease Control and Prevention issued a report on childhood obesity, which included a strong argument that the language of weight gain had to change. A decade ago, kids whose body mass index (BMI) tracked at or above the 85th percentile for their age were dubbed "at risk of overweight." The new recommendations urge doctors to cut to the chase and simply call such children overweight. Similarly, a child with a BMI above the 95th percentile--who would previously have been labeled overweight...
...study by Centers for Disease Control and Prevention (CDC) researchers found that childhood-obesity levels may finally have leveled off, more than 30% of American schoolchildren are still overweight, with little indication that rates will drop anytime soon. The CDC defines as overweight those children with a body mass index (BMI)--a rough factoring of height and weight--higher than the 85th percentile of figures from the 1960s and '70s, before the obesity epidemic hit. Obesity is defined as the 95th percentile. That's far from healthy. "The childhood obesity epidemic is a tsunami," says David Ludwig, an obesity researcher...
...diversity of childhood obesity in the U.S. The clinic straddles the border between the wealthy neighborhood of Brookline and the poorer areas of Roxbury and Dorchester, and Ludwig's patients--black, white, Hispanic--are drawn from around the city. Ludwig's unique weight-control program focuses on the glycemic index of his patients' diets, attempting to reduce the sharp ups and downs in blood-sugar levels that he believes encourage children to overeat. That means cutting back severely on the highly processed carbohydrates that make up the backbone of the diet of too many kids. A first-time trip...