11 Kasım 2007 Pazar

Stop Starving Yourself!

Stop Starving Yourself!

by Curt Pesmen

7 new strategies to curb your hunger and keep you feeling full while you lose.

It’s 9 p.m. and you know just where that bag of peanut M&Ms is—it’s stashed in the pantry behind the ultravirtuous oatmeal and seriously fortified cereal. Out of sight, but not out of mind. How can you be hungry, you wonder, when you ate a mere hour-and-a-half ago? The answer isn’t so simple. Everything from stress to hormones to people, places, and situations can kick your appetite into overdrive. The good news: Whatever the cause, you can beat your hunger pangs. Turn the page for the latest stay-full strategies from the experts.

Your stay-full strategies

Whip up a side of potato salad.

Surprise! White potatoes aren’t the dietary demons Atkins devotees led us to believe. Potatoes contain a type of starch known as natural resistant starch that acts a lot like fiber once it’s in your digestive system, according to Katherine Beals, PhD, RD, a nutrition professor at the University of Utah. That means they make you feel full longer, keep your blood sugar level after a meal, and may even reduce body fat.

But there’s a trick to maximizing this benefit: Chilling cooked potatoes nearly doubles the amount of natural resistant starch in a serving. Try an Italian-style potato salad. Boil peeled, sliced potatoes until they’re fork-tender; drain, and toss them with salt, pepper, and your favorite red wine vinaigrette. Cool the salad in the fridge, and garnish it with chopped parsley before you dig in. Not a spud fan? Try black beans (or any other bean) or split peas, warm or cold, for the same benefit.?

Front-load your day’s calories.
We all know that breakfast helps keep your waistline trim, but here’s more solid proof: In a recent study, University of Texas at El Paso researchers found that people who ate break-fast took in five percent fewer calories over the course of the day. That’s only about 100 calories (if you typically eat the 2,000 calories per day recommended for adult women), but, over time, it adds up. Saving 100 calories a day for one year equals a loss of more than 10 pounds. Experts estimate most of us eat 20 percent of our daily calories at breakfast, 30 percent at lunch, and 50 percent at dinner. “You would probably be better off shifting more of your total daily calories to the morning,” says lead author John de Castro, PhD. If you can’t stomach a bigger breakfast (keep it healthy with a combo of low-fat protein, whole grains, and fruit or veggies), add a mid-morning snack (a container of yogurt, some fruit and a few whole-grain crackers, or half a sandwich).

Pull out the blender.
Froth beats fat. This is one of the best and least-known discoveries of professor Barbara Rolls, PhD, author of The Volumetrics Eating Plan. Rolls found that study subjects who drank smoothies and other drinks blended for at least twice as long as necessary ate 12 percent less?—?and felt fuller—than those who drank beverages blended for a shorter period. Why? Blending is a no-calorie way to increase serving size by adding air. Adding low- or no-cal ingredients to entrees (such as lettuce and tomato on top of turkey burgers or alongside broiled fish) has a similar effect: They work by increasing the amount of water instead of air.

Fool your sweet tooth with scent.
A whiff of vanilla may be the antidote for your craving for a double dip of Ben & Jerry’s New York Super Fudge Chunk ice cream. Here’s the theory, according to experts: The inherent sweetness of vanilla sends neuropeptides (gut-to-brain messengers) into a kind of sensory overload that fools you into feeling like you’ve satisfied your sweet tooth. Any vanilla scent?—?extract, body lotion, or a candle?—?has a similar effect. A special spray designed to curb appetite may work, too. One to try: Scentology’s Crave Control (read more about here), which was developed by Rachel Herz, PhD, a psychologist at Brown University’s Medical School and author of The Scent of Desire.

Stock up on lentil soup.
According to a new study from The Cochrane Collaboration, an independent health-research organization, people on diets that call for fiber-rich, complex-carb-loaded foods like lentils, sweet potatoes, and apples lost a little over two pounds more in five weeks, compared with people on low-fat or other types of diets. These foods rank low on the glycemic index (GI), which means they’re less likely to cause blood sugar spikes and leave you feeling hungry.

>>Get a list of food low on the glycemic index.

Snack smart.
By now, you know that snacking doesn’t have to be a bad thing for your waistline. But did you know that the right snacks can actually suppress ghrelin, the hunger hor-mone? James Kenney, PhD, nutrition-research specialist at the Pritikin Longevity Center and Spa in Florida, says low-calorie, nutrient-rich foods like strawberries (49 calories a cup), broccoli (20 calories a cup), and sweet potatoes (103 calories—and ready in a microwave minute) are your best defense. “They make you feel satiated on a lot fewer calories than Pringles do,” Kenney says.

Breathe hunger away.
Stress causes your body to pump out cortisol. And this, ultimately, creates a resistance to leptin, a hormone that helps you feel full. As a result, says Mark Hyman, MD, integrative-medicine specialist and author of Ultrametabolism, the more stressed out you are (and the more often you feel that way), the less able you are to tell when you’re full. Short-circuit the problem with this stress-reducing breathing exercise: Exhale fully, counting to 5 as you release tension from your body; let your shoulders slump as if you’re a deflated balloon. Then, count to 5 as you inhale gently, fully, down through the lungs into your belly; hold for a 4-count. Exhale again, repeating the first step. Continue for 5 minutes; practice a few times each day—or whenever you feel inclined to make tracks to the snack stash.

9 Kasım 2007 Cuma

Cold-Fighting Foods

The news made headlines around the world: Chicken soup really does help fight colds.

A team headed by lung specialist Stephen Rennard at the Nebraska Medical Center found that in a test tube chicken soup suppressed inflammation, which causes many cold symptoms. But chicken soup isn’t the only food that might help. Here’s a daily menu based on experts’ recommendations.

Breakfast
Orange juice or half a grapefruit. Both are great sources of vitamin C, which could shorten the duration of colds.

Whole-grain cereal or bread. Whole grains are rich in vitamins and minerals, including zinc and vitamin E, which can help keep your immune system healthy.

Black tea. Real tea leaves (not herbal) have substances that speed the action of cilia, the tiny hairlike cells lining your nasal pas-sages, helping them expel germs.

Mid-morning snack
Yogurt. It can help you maintain a healthy immune system, as long as it contains beneficial bacteria. One cup of yogurt with live active cultures or a glass of kefir a day provides all you need.

Lunch
Chicken soup. The Nebraska researchers used a traditional recipe they called “Grandma’s Soup,” which had veggies like onions, parsnips, and carrots, along with chicken. But most of the commercial varieties they tested reduced inflammation, too. For even more protection, add a clove or two of garlic.

Anise-seed cookie. Anise seeds, with their licorice-like flavor, have been found to help break up congestion.

Dinner
Salad of bitter greens. Watercress and arugula can make a salad special—and research shows they may also have antiviral effects. Bitter greens are especially helpful in relieving chest congestion, sniffles, and coughs.

Pasta with tomato sauce and plenty of garlic. Because the pungent bulb is one of the most potent disease-fighting foods around, it’s worth having at least two servings a day. Raw garlic has the most benefits, but cooked garlic also packs a punch.

Ginger tea. It’s different and refreshing—and, Duke says, “ginger is loaded with virus-fighting substances, including several that act directly against cold viruses.” (One substance, gingerol, can suppress coughing.) Boil water; then steep a tablespoon of fresh shredded ginger for 2 or 3 minutes.

5 Ways to Outsmart the Flu

by Sarah Clachar

Whether or not you get the shot, try these tricks.

Wash, over and over
Your hands need attention. Use plain old soap and water, and make sure to rub vigorously for 15 to 20 seconds.

Avoid crowds
The flu virus thrives on socializing. Do more shopping online than at the mall, and try to cover your face if someone sneezes near you.

Keep hydrated
Membranes in your nose and throat trap viruses and move them back out in the form of mucus. Drink lots of fluids and gargle to keep your membranes in fighting shape, says Neil Schachter, MD, author of The Good Doctor’s Guide to Colds and Flu. But avoid humidifiers; they can spread germs.

Do vitamins
Vitamin C may not fight off colds, but several experts still recommend it for keeping you healthy during flu season. Vitamin D and selenium may guard against the flu, too. Foods like orange juice or yogurt are usually fortified with vitamin D. And OJ has plenty of C. Brazil nuts and beef have loads of selenium.

The Truth About Yoga

We’ve heard it makes your skin look less wrinkly, banishes back pain, and cures asthma. Here’s what's true.

By Dana Sullivan

Claim: Yoga reduces lower-back pain. | TRUE
Several studies suggest that yoga can help ease the ache. One of the most recent, published in the Annals of Internal Medicine in 2005, found that yoga does an even better job at relieving lower-back pain than traditional exercises.

Claim: Yoga can help you lose weight. | TRUE
How much depends on the type, how often you do it, and your diet (of course). More-athletic styles—most notably ashtanga, a.k.a. power yoga—burn more calories and help build more muscle (which translates into an even higher number of calories torched) than more-meditative versions. A 150-pound woman can work off more than 460 calories during a single hour of power yoga (versus around 170 calories for a traditional yoga session). Many celebrities, including Serena Williams, love how yoga helps them stay in shape.

Claim: Yoga cures asthma. | FALSE
Many asthma patients believe doing certain types of breathing techniques can help reduce their symptoms. But research published in the medical journal Thorax suggests that yogic breathing isn’t one of them: Participants who used a device that mimicked the breathing technique pranayama saw no improvement in their asthma symptoms.

Claim: Yoga can ease carpal tunnel pain. | TRUE
In a study published in The Journal of the American Medical Association, researchers found that a yoga regimen can help relieve pain and improve grip strength in people with carpal tunnel syndrome.

Claim: Yoga makes your skin look younger. | FALSE
We’ve seen books and Web sites that make this claim, but yoga alone can’t improve your skin (although it can relax your facial muscles). Making healthy yogic choices, however, like exercising, going easy on the alcohol, and getting enough rest, certainly can’t hurt.

Education, Medical

This page provides links to descriptions of activities, reports, news and events, as well as contacts and cooperating partners in the various WHO programmes and offices working on this topic. Also shown are links to related web sites and topics.

The period of medical education in a medical school, undergraduate, graduate and continuing education. Source: MeSH scope note.

3 Eylül 2007 Pazartesi

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