Smoothy Slim
Smoothy Slim
Photo: Vlad Chețan
The latest study to explore the impact of fasting on the human body concludes that it increases metabolic activity more than previously realized and may even impart anti-aging benefits.
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This effective juice jolts the metabolism, boosts energy and burns fat all day.
Learn More »The latest study to explore the impact of fasting on the human body concludes that it increases metabolic activity more than previously realized and may even impart anti-aging benefits. Share on Pinterest A recent study takes a look at how fasting influences metabolism. Studies have shown that intermittent fasting can help certain people lose weight. Although researchers are still debating exactly how effective fasting can be for weight loss, new research hints at other benefits. In rats, for instance, studies show that fasting can increase lifespan. Although exciting, evidence of this in humans has yet to be seen. The most recent study — which the authors have now published in the journal Scientific Reports — takes a fresh look at fasting in humans and provides new insight. “Recent aging studies have shown that caloric restriction and fasting have a prolonging effect on lifespan in model animals,” says first study author Dr. Takayuki Teruya, “but the detailed mechanism has remained a mystery.” In particular, scientists at the Okinawa Institute of Science and Technology Graduate University in Japan examined its impact on metabolism. By understanding the metabolic processes involved, the team hopes to find ways of harnessing the benefits of fasting without the need to go without food for prolonged periods. To investigate, they fasted four volunteers for 58 hours. Using metabolomics, or the measurement of metabolites, the researchers analyzed whole blood samples at intervals during the fasting period. What happens during fasting? As the human body is starved of food, there are a number of distinct metabolic changes that occur. Normally, when carbohydrates are readily available, the body will use them as fuel. But once they are gone, it looks elsewhere for energy. In a process called gluconeogenesis, the body derives glucose from noncarbohydrate sources, such as amino acids. Scientists can find evidence of gluconeogenesis by assessing the levels of certain metabolites in the blood, including carnitines, and butyrate. As expected, after fasting, levels of these metabolites had increased in the participants’ blood. However, the scientists also identified many more metabolic changes, some of which surprised them. For instance, they saw a marked increase in products of the citric acid cycle. The citric acid cycle happens in mitochondria, and its function is to release stored energy. The hike seen in the metabolites associated with this process means that the mitochondria, the fabled powerhouses of the cell, are thrust into overdrive. Another surprise finding was an increase in levels of purine and pyrimidine, which scientists had not yet linked to fasting. These chemicals are a sign of increased protein synthesis and gene expression. This suggests that fasting causes cells to switch up the type and quantity of proteins that they need to function.
Bananas grow in hot climates, so they are unused to the cold. If they're kept at a cold temperature, the enzymes that enable them to ripen are...
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The 11 Best Fruits for Weight Loss Grapefruit. Share on Pinterest. ... Apples. Apples are low in calories and high in fiber, with 116 calories and...
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A potent powdered supplement blended right into water or your favored beverage to be appreciated as a scrumptious morning smoothy.
Learn More »Eating only a full liquid diet can give you enough energy, protein, and fat. But it does not give you enough fiber. Also, you may not get all the vitamins and minerals you need.
You can eat or drink only things that are liquid. You may have these foods and drinks:
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This effective juice jolts the metabolism, boosts energy and burns fat all day.
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A scrumptious morning smoothy based on the diets of among the healthiest, longest-living hamlet in the world.
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