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A Health, Nutrition, and Alternative Medicine Blog

Thursday, December 4, 2008

Red Wine is once again proven to be healthy. Drink up!

Red Wine is getting quite a bit of attention these days. Researchers are studying it thoroughly due to its high amounts of reservatrol, a compound found to be extremely healthy for cardiovascular health in mice. Recently a team from Harvard Medical School who paired up with the National Institute on Aging found that it not only provides heart benefits, but that resveratrol is also helpful in thwarting eye cataracts, improving balance and coordination and facilitating stronger bones.

Grab your favorite bottle of red and celebrate! (note: drinking too much red wine will have the opposite effect on balance and coordination).

The researchers used one year old mice for their experiment, the equivalent to a 35 year old human. They fed the mice varying diets, low-calorie and high-calorie, along with varying degrees of resveratrol measurements and found nothing but positive results. In fact, they found that the mice with high-calorie diets benefitted the most. The high calorie diet mice were not obese as they should have been and were found to live longer.

The mice that ate low-calorie and low resveratrol diets were just as healthy as those who ate high-calorie and high resveratrol diets.

So, the more calories you consume the more red wine you’ll need to drink. What a prescription for health!

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Will Age Ninety be the New Age Fifty in the Future?

Recently, the first World Science Festival was held in New York City; guests represented all scientific fields from biology to quantum physics, philosophers, Nobel laureates, and business leaders from around the world. The festival celebrated scientific progress that in the last century alone increased the human lifespan thirty years, which is more than any time span in the previous five thousand years of human history.

Not only did the festival celebrate past scientific successes, it pointed to future medical breakthroughs that are not generations away but a few years away. Breakthroughs that will extend the human lifespan even more while easing the affect of ailments long associated with aging.

Aging has become a very hot topic in recent years due to aging baby boomers who are reaching their sixties. The closing discussion at the World Science Festival was aging, especially aging well and remaining healthy. The group discussed studies that have indicated that calorie restriction may be the key to longer healthier lives.

About twenty years ago, Richard Weindruch began studying the affect of extremely low calorie diets on mice. Weindruch found that mice lived longer if kept on extremely low calorie diets.

Whoops, I seem to lost part of my post. Ok...I'll have to look around and see if I can find it. Hopefully, I won't have to rewrite this.

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Thursday, November 6, 2008

Restricting Carbs Changes Liver Processes

Most Americans will agree: restricting carbohydrates is a good way to lose weight. Take out the bread, pastries and other high carbohydrate foods and the weight drops off. Regardless Americans have been increasing their consumption of carbohydrates and restricting fat intake. Most people look at fats to determine what they will eat and choose low fat options, even if this means high carbohydrates.

Subsequently, obesity is higher than it has ever been and non-alcoholic fatty liver disease (NAFLD) is becoming a major health issue. Even small children are being hit with this disease. If not treated right away, it can lead to cirrhosis, fibrosis and inflammation of the liver, which oftentimes leads to a liver transplant. Usually the disease can be reversed by eating healthy, exercising and losing weight.

Jeffery Brown of the University of Texas Southwestern Medical Center put together a study to find out the difference in metabolism when people eat low-carbohydrate diets, low-calorie diets, and balanced diets. Previous studies had suggested that a high-carb diet could lead to fatty deposits in the liver.

For the study, fourteen people with a body-mass-index (BMI) between 25 and 35 were chosen, along with 7 healthy subjects with a BMI less than 25. They split the fourteen subjects with a 25 to 35 BMI into two groups and had them follow either a low-calorie diet or a low-carbohydrate diet for two weeks. The other seven subjects with a healthy BMI followed their regular, healthy diet. All subjects had to undergo an overnight metabolic study assessing the metabolic pathways of the tricarboxylic acid cycle (TCA cycle) and the hepatic glucose production cycle.

What they found was that the weight healthy group with a BMI of under 25 who ate carbs as a normal part of their diet had enough energy to create glucose formation through the TCA cycle. Those who restricted their carbs did not.

The researchers found that a low-carbohydrate diet modifies hepatic energy metabolism and creates a dependence on lactate and amino acids for glucose production by the liver, instead of the liver using glycerol. A low carbohydrate diet also caused the liver to create more glucose with lactate or amino acids – increasing the rate of glucose formation. Unfortunately, they did not measure the amount of fatty acid that was delivered to the liver.

They also found that all groups had similar hepatic glucose production. While the healthy group and the low calorie groups maintained glucose production levels normally, the low carb group maintained the same by increasing glucose using amino acids and lactose.

The study was reported in the November 2008 issue of Hepatology.

The researchers suggest that this shift in glucose metabolism could be helpful to those who have NAFLD and need to dispose of hepatic fat. More studies are planned to measure fatty acid deposits and more.

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