December 11, 2012

Brains Don’t Get the Boost

1 Urban Pollution May Limit Exercise Benefits

Some health benefits of exercise such as mental alertness and brain stimulation may be nullified for persons who exercise outdoors and in the city. New research in Belgium indicates that urban pollution leaves city joggers with significantly higher levels of inflammation markers in their blood, and with lower scores on key mental function tests than rural exercisers. Persons who alternately walked and ran three days a week from noon to one p.m. for twelve weeks in the city failed to derive the improved comprehension, brain adaptability and mental health benefits of those who did so in rural areas. The research director recommends that city joggers run in air-cleansing windy or rainy weather, avoid heavy traffic routes and commute hours, and run in a well-forested park if possible.

More at Msnbc.msn.com | Posted 5 years ago by Robert S. Wieder

Previously: Air Pollution Activates Inflammatory Response

Tags: Benefits of Exercise, Air Pollution and Exercise, Exercise and the Brain, Air Pollution and the Brain

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More Than Two Hours Per Day

2 Bedroom TV Viewing Linked to Kid Obesity

Bedroom TV viewing significantly raises the risk of childhood obesity, find researchers at Pennington Biomedical Research Center who studied the TV habits of 369 children of various ages, genders, ethnicities and weights. The children were evaluated for health factors including cholesterol and waist circumference. Researchers found that kids with bedroom TVs watched more often and also had more fat and higher waist circumferences than those who didn’t have bedroom TVs. Bedroom TV watchers and those who watched 2+ hours a day had up to 2.5 times the odds of the highest levels of fat mass. The average American child, ages 8-18, watches 4.5 hours of TV per day; 70% have a bedroom TV and about 1/3 are considered obese.

More at Eurekalert.org | Posted 5 years ago by Melody Lesser

Previously: Parents Can't Blame TV for Couch Potato Kids

Tags: Childhood Obesity, Pennington Biomedical Research Center, TV Viewing Habits, Kids and TV, Bedroom TVs for Kids, Should Children Have TV in Bedroom, Obesity and TV Viewing, Childhood Obesity and TV Viewing

Comment on This | Was this Interesting? Yes! (55%) / No! (45%)

Both Caffeinated and Decaf

3 Coffee Lowers Oral Cancer Risk

Regular coffee drinking may help lower the risk of developing oral and pharyngeal cancer. The new findings, published in the American Journal of Epidemiology, are based on a study of 968,432 men and women tracked over the course of 26 years. Those participants who drank four or more cups of caffeinated coffee per day had a 49 percent lower risk of developing oral or pharyngeal cancer, regardless of other factors that normally raise the risk such as smoking and alcohol drinking. The association was there, but smaller, for those who drank decaf coffee, but unfortunately no benefit was seen in tea drinkers. Coffee contains a variety of antioxidants, polyphenols, and other active ingredients that help protect against the development of cancer, say the authors of the study.

More at Medical Daily | Posted 5 years ago by Denise Reynolds

Previously: Lots of Coffee Lowers Uterine Cancer Risk, Coffee Lowers Diabetes Risk

Tags: Cancer, Coffee, Coffee Benefits, Oral Cancer

Comment on This | Was this Interesting? Yes! (44%) / No! (56%)

Better Behavior with Iron

4 Iron Helps Behavior of Kids Born Small

Results from a Swedish study involving 285 infants born on the small side of normal (4 pounds, 7 ounces to 5 pounds, 8 ounces) may benefit from iron supplements. Researchers set them up in three groups at six weeks; one milligram of iron per kilogram (mg/kg)of body weight , two mg/kg body weight and a placebo group until they turned six months. At 3 and one half years old, they were compared to kids who were a normal weight at birth. The placebo group had more behavioral issues including controlling emotional reactions, anxiety and depression, problems sleeping and paying attention compared to those on drops and healthy controls. Researchers will continue to follow these kids and believe the results justify giving smaller weight babies iron supplements to aide brain development.

More at Yahoo! Reuters | Posted 5 years ago by Kristie Hayes

Previously: Obese Moms Increase Infant Iron Deficiency Risk

Tags: Iron, Iron Supplementation, Brain Development in Infants, Small Weight Babies, Behavior in Toddlers, Nutrition and Behavior

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