October 1, 2012

Brain Rot Even When Unwatched

1 Background TV Poses Child Development Risk

Extended exposure to background TV, even when children aren't watching it, has been linked to "lower sustained attention during playtime, lower quality parent-child interactions, and reduced performance on cognitive tasks," according to a new U. of North Carolina study, which found that U.S. kids get far more such background TV than expected: just under 4 hours per day, on average, with even larger numbers for African-American children and those under age 2, who get 5.5 hours, and those from the poorest families, nearly 6 hours per day. Researchers cite "TV-centric" households and parents using the TV as a companion as contributing factors. Experts recommend no TV at all for kids under age 2, and turning the set off when no one is watching, during meals, and at the child's bedtime.

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

Previously: Too Much TV Harmful to Toddlers

Tags: Background TV, TV and Children, Toddlers and TV, Watching Too Much TV, Effects of TV on Kids

Comment on This | Was this Interesting? Yes! (50%) / No! (50%)

“Our Diet Is Killing Us”

2 “Cafeteria Diet” Raises Stroke Risk

The common Western diet, nicknamed the “Cafeteria Diet,” is high in calories, sugar and salt and, say researchers, it increases the risk of stroke and early death. "I think we'll soon start to see people in their 30s or 40s having strokes, having dementia, because of this junk food diet," says Dr. Dale Corbett, Heart and Stroke Fndtn. Ctr. for Stroke Recovery. His study offered sedentary rats unlimited access to both nutritional food pellets and a daily selection of common junk food items including cookies and cupcakes. Like humans, the rats preferred the junk food and, after only two months, began to exhibit serious health problems including high cholesterol, blood sugar, blood pressure and obesity. "We cannot afford to continue making poor nutritional choices. Our diet is killing us."

More at ScienceDaily.com | Posted 5 years ago by Melody Lesser

Previously: Fruit with White Flesh Helps Prevent Strokes

Tags: Early Death, High Blood Pressure, High Cholesterol, Metabolic Syndrome, Obesity, Stroke, Cafeteria Diet, Dr. Dale Corbett, Heart and Stroke Foundation Center for Stroke Recovery

Comment on This | Was this Interesting? Yes! (39%) / No! (61%)

Fountain of Youth?

3 Omega 3s May Slow Aging

Omega 3 fatty acids may slow a biological effect of aging by preserving telomeres, segments of DNA that are usually lost to aging. The Ohio State U study found that healthy older and middle aged adults who took supplements of Omega 3s for four months exhibited a lengthening of telomeres compared to those who were given placebos. Researchers also found that the group who took Omega 3s had decreases in blood markers that cause inflammation, which researchers believe is responsible for telomere shortening. Previous studies have shown that telomere shortening is associated with heart disease and early mortality. "People who are less healthy than this group, and especially those who experience chronic stress, may gain even more benefits from omega-3 supplementation," say researchers.

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

Previously: Science of Aging Focuses on Telomeres

Tags: Aging, Chronic Stress, Healthy Aging, Inflammation, Ohio State University, Omega-3 Fatty Acids, Telomeres, Early Mortality, Supplementation

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

More Than 100 Pounds Overweight

4 Population of Severely Obese Increasing

The population of severely obese people, those with 100+ pounds to lose, is increasing more rapidly than the moderately obese, finds a RAND Corp. study. From 2000 to 2010, the proportion of Americans who are considered severely obese rose from 3.9% to 6.6%. This translates to more than 15 million adult Americans who are severely obese. However, in 2005, this growing trend seemed to be flattening out. Severe obesity is more common among women and twice as high among blacks, when compared to whites and Hispanics. In numbers, severe obesity means that a 5’4” tall woman would weigh 250 pounds; a 5’10” man severely obese man would weigh about 300 pounds. People with a BMI of 25 to 29 are considered overweight; a BMI of 30 is considered obese. Severely obese people have BMIs of 40 and above.

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

Previously: The Obese May Be Healthier Than the Skinny

Tags: BMI, Obesity, RAND Corporation, Severely Obese

Comment on This | Was this Interesting? Yes! (48%) / No! (52%)

Prevention and Cure

5 Exercise Improves Cognition After Stroke

As part of the rehabilitation after having a stroke, exercise has been found to help improve memory, language, thinking, and judgment problems by almost 50 percent. Researchers presenting at the Canadian Stroke Congress report that following an aerobic and strength/resistance program five days a week resulted in significant improvements in overall brain function in a study of 41 patients at the Toronto Rehabilitation Institute. Because people who have cognitive deficits after a stroke have a threefold risk of mortality, exercise should become a standard of care for stroke patients, says lead researcher Susan Marzolini. The exercises can and should be adapted to suit the patient’s particular abilities, such as for those with mobility issues following a cerebrovascular accident.

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

Previously: Women Who Walk for Exercise Have Lower Stroke Risk

Tags: Cognitive Impairment, Exercise, Rehabilitation, Stroke, Strokes, Cerebrovascular Accident

Comment on This | Was this Interesting? Yes! (46%) / No! (54%)

Smallpox's War on Breast Cancer

6 Small Pox Kills Triple Negative Breast Cancer

Research out of the Memorial Sloan-Kettering Cancer Center in NYC has found that a small pox virus GLV-1h164 can destroy triple negative breast cancer cells. Triple negative breast cancer is not as common as other types, but it is very aggressive and mainly develops in women under 35. These tumors are called “triple negative” because they lacks the estrogen, progesterone and Her2 receptors that current treatments target. As a result, treating this cancer is difficult and they commonly recur. In mouse models, GLV-1h164 entered the tumor cells and killed them and stopped them from growing blood vessels so they could get nutrients and oxygen. The next step is to determine if this would be a viable therapy in women with triple negative breast cancer.

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

Previously: Modified Vaccinia Virus Targets Cancer Cells, End of Smallpox Vaccine May Have Helped Spread HIV

Tags: Memorial Sloan-Kettering Cancer Center, Triple-Negative Breast Cancer, Smallpox Vaccine, GLV-1h164

Comment on This | Was this Interesting? Yes! (54%) / No! (46%)

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