Posts Tagged ‘Nutrition’

Snooze you lose! Could you lose weight in your sleep?

Monday, April 8th, 2013


In your dreams!
A new rapid weight-loss diet claims you can actually lose while you snooze.

Sounds like silly pillow talk, but Caroline Apovian, an obesity doctor and the author of a new book, “The Overnight Diet,” insists you can shed up to 2 pounds overnight and up to nine pounds after one week.

The key is to preserve and build up valuable muscle mass, which helps in speeding up the metabolism. The leaner the muscles, the faster the metabolism and the more calories you burn.

On other diets, when the body detects a significant drop in food intake, it immediately looks to muscle mass for extra energy. You get thinner, but you also get weaker and eventually the metabolic rate slows down and you stop losing weight.
But a high-protein diet burns fat rather than muscle, according to the Fort Lee, NJ, native and director of the Nutrition and Weight Management Center at Boston University Medical Center.

Apovian says her diet is twofold. “On the first day of the week, you are going to power up and drink nutrient-rich smoothies all day and avoid carbohydrates, and that night you are going to lose up to 2 pounds,” she said.

By not eating carbohydrates, the pancreas secretes less insulin, which is what retains salt and water.
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The rest of the week is a diet of high-protein foods, such as a 14-ounce steak, leafy green veggies and fruit. “You don’t have to lift a single barbell,” she says.

“There is nothing in this diet that completely eliminates anything. A glass of wine a night is fine.”

Much of the calorie-burning comes while you are at rest, usually when you are sleeping.

“You need eight hours of sleep a night to allow this all to happen,” Apovian says. “Sleep is a very important part of the diet. My patients have terrible trouble sleeping, and if you sleep six hours or less a night, it creates stress and the hunger hormone ghrelin, that’s made in the stomach, goes up to the brain and says you’re hungry.”

The 5-foot-2 doctor said she has lost weight herself on this diet. When she was a college chemistry major, she ballooned from her current weight of 105 to 145 pounds, and by switching to her own diet, she shrank back to her original weight.

Some 50 percent of Apovian’s patients who see her at the hospital succeed in losing 10 percent of body fat and keep it off for a year, she claims. The average weight loss is about 25 pounds. From nypost.

Greek Coffee Could Turn Out To Be A Fountain Of Youth

Wednesday, March 20th, 2013


The answer to longevity may be far simpler than we imagine; it may in fact be right under our noses in the form of a morning caffeine kick. The elderly inhabitants of Ikaria, the Greek island, boast the highest rates of longevity in the World, and many scientists turn to them when looking to discover the ‘secrets of a longer life’. In a new study in Vascular Medicine, published by SAGE, researchers investigating cardiovascular health believe that a cup of boiled Greek coffee holds the clue to the elderly islanders’ good health.

Only 0.1% of Europeans live to be over 90, yet on the Greek island of Ikaria, the figure is 1%. This is recognized as one of the highest longevity rates anywhere – and the islanders tend to live out their longer lives in good health.

Gerasimos Siasos, a medical doctor and professor at the University of Athens Medical School, Greece set out with his team to find out whether the elderly population’s coffee drinking had an effect on their health. In particular, the researchers investigated links between coffee-drinking habits and the subjects’ endothelial function. The endothelium is a layer of cells that lines blood vessels, which is affected both by aging and by lifestyle habits (such as smoking). The team homed in on coffee because recent studies suggest that moderate coffee consumption may slightly reduce the risks of coronary heart disease, and that it may also have a positive impact on several aspects of endothelial health.

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From a sample of 673 Ikarians aged over 65 who lived on the island permanently, the researchers randomly selected 71 men and 71 women to take part in the study. Medical staff used health checks (for high blood pressure, diabetes, etc.) and questionnaires to get more detail on the participants’ medical health, lifestyles and coffee drinking, in addition to testing their endothelial function.

The researchers investigated all types of coffee taken by participants – but interestingly more than 87% of those in the study consumed boiled, Greek coffee daily. More importantly, subjects consuming mainly boiled Greek coffee had better endothelial function than those who consumed other types of coffee. Even in those with high blood pressure, boiled Greek coffee consumption was associated with improved endothelial function, without worrying impacts on blood pressure.

“Boiled Greek type of coffee, which is rich in polyphenols and antioxidants and contains only a moderate amount of caffeine, seems to gather benefits compared to other coffee beverages,” Siasos concludes.

The new study provides a new connection between nutritional habits and cardiovascular health. Given the extent of coffee drinking across the world, and the fact that even small health effects of at least one type of coffee could have a large impact on public health, this study provides an interesting starting point. However, further studies are needed to document the exact beneficial mechanisms of coffee on cardiovascular health. From medicalnewstoday.

The Fast Diet: Inside the New Weight-Loss Craze

Monday, March 18th, 2013

The thought alone of eating just 500 calories a day is enough to make any woman feel faint. But for two days a week that’s exactly what the latest blockbuster diet from Britain recommends.

The Fast Diet, coauthored by London-based doctor Michael Mosley and writer Mimi Spencer, outlines a weight-loss plan that limits a woman’s daily intake to 500 calories twice aweek (men get 600 calories) but allows dieters to eat whatever they want on the remaining five days.

“It’s not really fasting. It’s just a break from your normal routine,” says Mosley, 56, who dropped 20 lbs. in three months on the plan. “It’s not like an ordinary diet where you think about it all the time. The joy is that you get on with your ordinary life.”

The pitfall, critics say, is the notion that we can have our cake – but only after restricting ourselves to roughly a quarter of our daily recommended calories. “Five hundred calories a day is potentially dangerous,” says Dr. David L. Katz, director of Yale University’s Prevention Research Center. “There is some risk of slowing your metabolic rate. You’ll probably have a headache and feel distracted.”

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Other experts worry about cravings. “If you eat very little on Monday, by Tuesday you may say, I am going to have that brownie because yesterday I ate nothing,” says Karen Ansel, spokeswoman for the Academy of Nutrition and Dietetics. “I can see more junk working its way into this diet, and over time you could end up with serious nutrient deficiencies.” From people.