September 7, 2011

Get Your Heart Pumping

1 Aerobics May Reduce Risk of Dementia

Aerobic exercise may reduce the risk of dementia, reports a Mayo Clinic study. In addition, any exercise that gets the heart pumping may slow the progression of the condition once it starts. Researchers defined exercise as enough physical exertion to raise the heart rate and increase the body’s need for oxygen. Researchers note that brain imaging studies reveal positive evidence of exercise on the brain but say more research is needed to confirm the relationship between physical activity and cognitive function. However, they encourage exercise. "Whether addressing our patients in primary care or neurology clinics, we should continue to encourage exercise for not only general health, but also cognitive health," says researcher J. Eric Ahlskog, M.D., Ph.D.

More at Eurekalert.org | Posted 6 years ago by Melody Lesser

Previously: Exercise and Vitamin D May Reduce Alzheimer's

Tags: Aerobics, Dementia, Exercise, Exercise and Dementia, Heart Rate, Mayo Clinic, J. Eric Ahlskog

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

Science Backs Weight Watchers

2 Weight Watchers: Lose Twice As Much

Weight Watchers may help overweight patients lose twice as much weight compared with standard weight loss care, say researchers from Britain. Published in Lancet, the study found that over 12 months, patients who were told by their doctors to go on Weight Watchers lost about twice the weight as those who received standard care. Researchers found that those who stuck with the Weight Watchers diet ended up with a slimmer waist, and they lost more weight and fat mass. MSNBC reports that the study is the first randomized controlled trial to compare standard care by family doctors with a commercial program for losing weight. While the study was funded by Weight Watchers, the research was led by an independent research team.

More at MSNBC | Posted 6 years ago by Peggy Rowland

Tags: Britain's Medical Research Council, How to Lose More Weight, Best Weight Loss, Losing More Weight, Weight Watchers Study, Losing More Fat Mass, Getting a Slimmer Waist, Weight Watchers Versus Standard Doctor Care, Lancet Journal

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

Prolonged Activation the Problem

3 Liver Protein Tied to Acetaminophen Toxicity

Research out of the Keck School of Medicine at the University of Southern California has found that prolonged activation of the liver protein JNK leads to acetaminophen-induced liver injury. Liver damage was prevented in JNK-inhibited mice that were given large amounts of acetaminophen. Inhibiting Sab, a protein that interacts with JNK, also prevented liver injury and researchers believe that this may be a better therapeutic target since JNK’s short-term activity has a protective effect. The previous line of thinking was that the metabolite of acetaminophen was toxic to the liver. Acetaminophen, which is in most cold and flu medications and prescription painkillers, is also the number one drug that causes liver disease and acute liver failure in the U.S. and Britain.

More at Science Daily | Posted 6 years ago by Kristie Hayes

Previously: Maximum Dose of ES Tylenol Reduced

Tags: University of Southern California, JNK, Sab, Acetaminophen-Induced Liver Toxicity, Drug Induced Liver Toxicity, Liver Damage, Liver Toxicity, Keck School of Medicine

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

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