In a University of Chicago study of 10 overweight adults on a low-calorie diet, total pounds lost were nearly identical, but on 8.5 hours of sleep participants lost 3.1 lb of fat versus 1.3 lb on 5.5 hours, with far more lean mass lost on short sleep. Ghrelin levels also ran higher.
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Obesity
Weight, obesity and weight loss.
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Obesity
Pink News: Alcohol Raises Breast Cancer Risk
Alcohol makers are attaching pink ribbons to vodka, liqueurs and pink wines during Breast Cancer Awareness Month, though the National Toxicology Program lists alcoholic drinks as carcinogens. A study of 1,897 women ties drinking to recurrence, especially in postmenopausal and obese patients.
Lifestyle
Avoiding obesity more effective in fighting breast cancer than wearing pink?
The writer argues that wearing pink raises awareness and encourages screening but does little to prevent breast cancer, which diet and lifestyle can influence. Cited work links low-fat diets, omega-3s and vitamin D to lower risk, and overweight to higher risk of contralateral breast cancer.
Obesity
Sugary Sports Drinks Mistakenly Viewed as Healthy
A Pediatrics study of Texas 8th and 11th graders found students who ate well and exercised heavily also drank large amounts of flavored and sports drinks, while less active students with poorer diets favored soda. Ranjit says sports drinks carry little juice and extra calories.
Obesity
"Freshman Fifteen" Avoided by Finding a Heavy Roommate
Female freshmen randomly assigned heavier roommates gained about half a pound, against 2.5 pounds for those with thinner roommates, in a study of 144 students. Co-author Kandice Kapinos suggests it is heavier students' dieting and exercise habits that spread.
Obesity
Obesity Remains a "Heavy" Problem
The CDC's goal of cutting adult obesity to 15 percent by 2010 went unmet. Earl S. Ford's team examined 23,000 adults in NHANES and found obesity rose from 27 to 32 percent among men and from 33 to 35 percent among women between 1999-2000 and 2007-2008.
Food
Corn sugar new name proposed for high fructose corn syrup
The Corn Refiners Association has asked the FDA to let manufacturers call high fructose corn syrup “corn sugar.” The article cites Princeton research reporting HFCS caused more weight gain in lab animals than table sugar at equal quantities, along with added abdominal fat and higher triglycerides.
Obesity
CDC: More Babies Being Breastfed
The CDC reports 75 percent of babies born in 2007 were breastfed, meeting the Healthy People 2010 goal, while the 6-month (43 percent) and 12-month (22 percent) rates fell short. A CDC-funded meta-analysis tied each month of breastfeeding to a 4 percent lower pediatric obesity rate.
Obesity
Short Sleep Duration Linked to Obesity, but Why?
Tracking 1,930 U.S. children over five years, researchers found too little nighttime sleep in infants and preschoolers predicted later overweight or obesity, while among older children only sleep at follow-up tracked with weight gain. Napping did not substitute. The study is observational.
Lifestyle
40% New York City children either obese or overweight - report
Forty percent of the 637,000 New York City schoolchildren from kindergarten through eighth grade were obese or overweight in 2008-9, above the national 35.5 percent, though rates did not rise from the prior year. Corona, Queens topped the list at 51 percent; TriBeCa sat at 15 percent.
Obesity
Wanna Lose Weight? Try Drinking More H20
In a 12-week study of overweight adults aged 55 to 75 on a low-fat, low-calorie diet, those told to drink two cups of water before each meal lost 15.5 pounds on average against 11 pounds. Brenda Davy's team found the tactic does not work for 18- to 35-year-olds.
Lifestyle
This Daily Mistake Can Make You Obese and Forgetful
A study links sleeping fewer than five hours a day to more than double the risk of angina, coronary heart disease, heart attack or stroke, while sleeping more than nine hours raised risk by 50 percent. Separate research found catch-up sleep nearly erases the fatigue left by several short nights.
Obesity
Obesity Rates Vary by Ethnicity
Kristine Madsen's team examined fitness assessment data on 8.3 million children in grades 5, 7 and 8 and found black, Hispanic and American Indian girls were two to three times more likely to be obese than non-Hispanic whites, whose rates dipped slightly to 10 percent.
Obesity
Growing Waistline Increases Mortality - at Any Weight
In a large study in the August 2010 Archives of Internal Medicine, a larger waist was linked to higher risk of death from cardiovascular disease, respiratory disease and cancer at every level of body mass index, in men and women alike, including people who are not overweight.
Obesity
Larger waistline linked with greater risk of premature death
Eric Jacobs and colleagues followed 48,500 men and 56,343 women aged 50 and over for six years. Waists above 47 inches in men and 42 inches in women carried roughly twice the risk of death, and the raised risk showed up in every body mass index category.
Disease
Obesity rates on the rise - CDC report
CDC's Vital Signs report put self-reported U.S. adult obesity at 26.7 percent in 2009, up 1.1 points from 2007 and ranging from 18.6 percent in Colorado to 34.4 percent in Mississippi. Nine states were at or above 30 percent, and no state met the Healthy People 2010 target of 15 percent.
Disease
More States Reach 30 Percent Obesity Rate
A CDC Vital Signs report found nine states with adult obesity rates of 30% or higher in 2009, up from none in 2000 and three in 2007. No state met the Healthy People 2010 goal of 15%. Obesity added $1,429 per person in medical costs, or $147 billion nationally in 2008.
Obesity
Maintaining Weight Loss Just a Click Away
In an NIH-funded trial that followed 348 overweight adults for 28 months, participants who logged in to a weight management website at least once a month kept off 9 of the 19 pounds they had lost, while those who checked in for only 14 months kept off 5 pounds.
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