August 16, 2012

You Can Cut the String

1 “Yo-Yo” Dieters Aren’t Doomed to Overweight

Overweight persons with a history of yo-yo dieting -- repeatedly losing and regaining weight in a pattern called "weight cycling" -- don’t suffer metabolic or hormonal changes, and can lose weight long-term as easily as those whose weight hasn’t fluctuated. A study by the Fred Hutchinson Cancer Research Center involving overweight-to-obese women who had experienced weight recycling that was either severe (losing and regaining 20 or more pounds at least three times) or moderate (losing and regaining 10 or more pounds that often) found that the weight cyclers were just as able as control groups to lose weight and trim body fat, and had comparable levels of weight-linked hormones. It had been theorized that yo-yo dieters were at a biological disadvantage when trying to lose weight.

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

Previously: Yo-Yo Dieting Not As Unhealthy As Obesity

Tags: Weight Loss, Yo-Yo Dieting, Weight Cycling, Hutchinson Cancer Center

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

Catching Some ZZZs

2 Researchers Find a Cure for Snoring

Scientists in Berlin have successfully implanted a tongue pacemaker that helps prevent snoring and sleep apnea. The neurostimulator, which is smaller than a book of matches, is implanted underneath the collarbone and works by sending a weak electrical impulse to the hypoglossal nerve, located under the tongue that’s responsible for contraction of the tongue muscle. When the tongue can’t relax, it doesn’t block the sleeper’s airway and interfere with breathing, which can result in snoring and sleep apnea. Sleep researcher Dr. Alexander Blau says that the device, which is activated prior to bedtime with a small remote control, is a major step in treating sleep apnea. Compared to breathing masks, the device allows the patient freedom of movement during sleep and a better quality of life.

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

Previously: Sleep Apnea Doubles RIsk of Stroke in Men

Tags: Sleep Apnea, Snoring, Dr. Alexander Blau, Snoring Cure

Comment on This | Was this Interesting? Yes! (49%) / No! (51%)

A Brain Scan Knows

3 How Old Is Your Brain?

While our outward appearances may belie our age, sophisticated brain scans accurately predict it within a year or two, say researchers from nine universities. "We have uncovered a 'developmental clock' of sorts within the brain—a biological signature of maturation that captures age differences quite well," says Timothy Brown, University of California at San Diego School of Medicine. Researchers scanned the brains of 885 people, ages 3 to 20, and identified 231 biomarkers of brain anatomy that could assess a person’s age with a greater than 92% accuracy, indicating that “brain development, or at least certain aspects of it, are more tightly controlled than we knew previously.” Researchers are excited about the study’s potential use in the clinic, says Brown.

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

Previously: Meditation Leads to Brain Health

Tags: MRI, University of California at San Diego, Brain Age, Timothy Brown

Comment on This | Was this Interesting? Yes! (41%) / No! (59%)

Calling Those Born 1945-65

4 Baby Boomers Should Get Tested for Hep C

Baby boomers, those born between 1945 and 1965, should get tested for hepatitis C, says the Centers for Disease Control which finalized their recommendations today. Baby boomers account for about 2/3 of the 3.2 million Americans believed to have the disease, which can take decades to cause liver damage. The recommendations came after the CDC saw a near-doubling of hepatitis C deaths since the late 1990s, with 3/4 of those occurring in people ages 45 to 64. Prior to the new recommendations, testing was recommended only for high risk groups, such as drug addicts who share needles. Hep C may not produce symptoms in the early stages but it can eventually lead to cirrhosis of the liver and liver failure. The disease has also been tied to causing certain cancers, including liver cancer.

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

Previously: CDC Says Boomers Should Be Tested for Hep C

Tags: Baby Boomers, Centers for Disease Control and Prevention, Hepatitis C, Liver Cancer, Liver Damage, Liver Failure, Cirrhosis of the Liver

Comment on This | Was this Interesting? Yes! (51%) / No! (49%)

It's in the Urine

5 Higher BPA Levels Linked with Heart Disease

Higher levels of bisphenol A (BPA) in the urine could indicate a higher risk for narrowing of coronary arteries, finds a recent study. Published in PLoS One, the study found that participants who had narrowed arteries had greater levels of the chemical BPA in their urine. The research doesn't prove that BPA causes narrowing of coronary arteries, reports WebMD. However, researchers believe that the possibility that BPA could be adding to other risk factors for heart disease should be taken seriously. BPA is used in food and beverage liners, and many more consumer products. The FDA recently banned the use of BPA in baby bottles and sippy cups.

More at WebMD | Posted 5 years ago by Peggy Rowland

Previously: Women with PCOS Smart to Avoid BPA, Dangers of BPA and DES Exposure in Womb

Tags: BPA Health Problems, PLoS ONE, Increased Risk Heart Disease, High Urine Levels BPA, BPA Linked Narrowing Coronary Arteries

Comment on This | Was this Interesting? Yes! (49%) / No! (51%)

Cows Are Killers

6 It's Shark Week, but Other Animals Are Scary

Discovery channel is celebrating the 25th anniversary of Shark Week, but TreeHugger reminds us that you're more likely to be killed by plenty of other creatures besides sharks. For example, most of us don't fear mosquitoes, but TreeHugger notes that they kill about 655,000 people a year, mostly in Africa. In the U.S., 22 people are killed each year by cows (not cow meat)! Horses kill around 20 people a year in the U.S., and dogs, man's best friend, are responsible for around 30 to 35 deaths each year in the U.S. Only about one person a year is killed by a shark in the U.S., and around six people worldwide are killed by sharks each year. While a shark attack isn't impossible, it seems that much more domesticated animals are the ones to fear.

More at TreeHugger | Posted 5 years ago by Peggy Rowland

Previously: Sharks May Be Color Blind

Tags: Shark Week Anniversary, Shark Attack Numbers, Number Killed Sharks Worldwide, Number People Killed by Horses, Dangers Dogs

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

Doubled in Last Decade

7 Kids Drinking Artificially Sweetened Drinks

The number of kids drinking beverages with artificial sweeteners has doubled in the last 10 years, find researchers. By 2008, 12.5 percent of kids were drinking beverages with artificial sweeteners, compared with only 6 percent 10 years earlier. Artificial sweeteners include aspartame, saccharin and sucralose. Researchers, reporting in American Journal of Clinical Nutrition, aren't sure of the health implications of artificial sweeteners, like those found in diet drinks. They say that while it's good that kids are consuming less sugar, the long-term health effects of the sweeteners on children are unknown. Animal studies have suggested that artificial sweeteners can have an effect on metabolism, possibly causing weight gain.

More at MSNBC | Posted 5 years ago by Peggy Rowland

Previously: Diet Soda Linked to Heart Attack and Stroke

Tags: American Journal of Clinical Nutrition, Saccharin, Artificially Sweetened Beverages, Fake Sugar, More Kids Drinking Diet Drinks, Artificial Sweeteners, Stevia, Aspartame, Sucralose

Comment on This | Was this Interesting? Yes! (51%) / No! (49%)

Age Removes All Doubt in Brain

8 Brain Changes Make Elderly Fall for Scams

A new study reveals that damage to a part of the brain called the ventromedial prefrontal cortex (vmPFC) may explain why some people, particularly the elderly, tend to fall victim to scams. People with vmPFC damage, other parts of the brain and healthy controls were shown ads that had been deemed misleading by the Federal Trade Commission. Even with a disclaimer stating the ad was misleading, people with a damaged vmPFC were more than twice as likely to believe it and more likely to buy the item. The oval-shaped lobe that sits above our eyes loses its structural integrity and consequently its ability to function as we age. Previous research has shown that the vmPFC controls behaviors such as planning, impulse control and now it may affect losing belief in something after believing in it.

More at Science Daily | Posted 5 years ago by Kristie Hayes

Previously: Psychopaths' Brains Work Differently

Tags: Elderly, Scams, Seniors, Ventromedial Prefrontal Cortex, VmPFC, Misleading Advertisements

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

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