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Tuesday, November 17, 2009

What Soft Drinks are Doing to Your Body


By Dr. Maoshing Ni
Soda, pop, cola, soft drink — whatever you call it, it is one of the worst beverages that you could be drinking for your health. As the debate for whether to put a tax on the sale of soft drinks continues, you should know how they affect your body so that you can make an informed choice on your own.

Soft drinks are hard on your health
Soft drinks contain little to no vitamins or other essential nutrients. However, it is what they do contain that is the problem: caffeine, carbonation, simple sugars — or worse, sugar substitutes — and often food additives such as artificial coloring, flavoring, and preservatives.




A lot of research has found that consumption of soft drinks in high quantity, especially by children, is responsible for many health problems that include tooth decay, nutritional depletion, obesity, type-2 diabetes, and heart disease.

Why the sugar in soft drinks isn’t so sweet
Most soft drinks contain a high amount of simple sugars. The USDA recommendation of sugar consumption for a 2,000-calorie diet is a daily allotment of 10 teaspoons of added sugars. Many soft drinks contain more than this amount!

Just why is too much sugar so unhealthy? Well, to start, let's talk about what happens to you as sugar enters your body. When you drink sodas that are packed with simple sugars, the pancreas is called upon to produce and release insulin, a hormone that empties the sugar in your blood stream into all the tissues and cells for usage. The result of overindulging in simple sugar is raised insulin levels. Raised blood insulin levels beyond the norm can lead to depression of the immune system, which in turn weakens your ability to fight disease.

Something else to consider is that most of the excess sugar ends up being stored as fat in your body, which results in weight gain and elevates risk for heart disease and cancer. One study found that when subjects were given refined sugar, their white blood cell count decreased significantly for several hours afterwards. Another study discovered that rats fed a high-sugar diet had a substantially elevated rate of breast cancer when compared to rats on a regular diet.

The health effects of diet soda
You may come to the conclusion that diet or sugar-free soda is a better choice. However, one study discovered that drinking one or more soft drinks a day — and it didn’t matter whether it was diet or regular — led to a 30% greater chance of weight gain around the belly.

Diet soda is filled with artificial sweeteners such as aspartame, sucralose, or saccharin. These artificial sweeteners pose a threat to your health. Saccharin, for instance, has been found to be carcinogenic, and studies have found that it produced bladder cancer in rats.

Aspartame, commonly known as nutrasweet, is a chemical that stimulates the brain to think the food is sweet. It breaks down into acpartic acid, phenylalanine, and methanol at a temperature of 86 degrees. (Remember, your stomach is somewhere around 98 degrees.) An article put out by the University of Texas found that aspartame has been linked to obesity. The process of stimulating the brain causes more cravings for sweets and leads to carbohydrate loading.

Carbonation depletes calcium
Beverages with bubbles contain phosphoric acid, which can severely deplete the blood calcium levels; calcium is a key component of the bone matrix. With less concentration of calcium over a long time, it can lower deposition rates so that bone mass and density suffer. This means that drinking sodas and carbonated water increases your risk of osteoporosis.

Add in the caffeine usually present in soft drinks, and you are in for even more trouble. Caffeine can deplete the body’s calcium, in addition to stimulating your central nervous system and contributing to stress, a racing mind, and insomnia.

Skip the soda and go for:

• Fresh water
Water is a vital beverage for good health. Each and every cell needs water to perform its essential functions. Since studies show that tap water is filled with contaminants, antibiotics, and a number of other unhealthy substances, consider investing in a quality carbon-based filter for your tap water. To find out more about a high-performance filtration system.

On the go? Try using a stainless steel thermos or glass bottle, filled with filtered water. Enhance the flavor of your water with a refreshing infusion of basil, mint leaves, and a drop of honey.

• Fruit Juice
If you are a juice drinker, try watering down your juice to cut back on the sugar content. Buy a jar of organic 100% juice, especially cranberry, acai, pomegranate, and then dilute three parts filtered water to one part juice. You will get a subtle sweet taste and the benefit of antioxidants. After a couple of weeks, you will no longer miss the sweetness of sugary concentrated juices.

• Tea
Tea gently lifts your energy and has numerous health benefits. Black, green, white, and oolong teas all contain antioxidant polyphenols. In fact, tea ranks as high or higher than many fruits and vegetables on the ORAC scale, the score that measures antioxidant potential of plant-based foods.

Herbal tea does not have the same antioxidant properties, though it is still a great beverage choice with other health benefits, such as inducing calming and relaxing effects.

If tea doesn’t satisfy your sweet tooth, try adding cinnamon or a little honey, which has important health benefits that refined sugar lacks. For a selection of healthy teas that promote total body wellness. Drink up!

I hope you find the ways and means to avoid soft drinks. I invite you to visit often and share your own personal health and longevity tips with me.

May you live long, live strong, and live happy!

--Dr. Mao

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Thursday, November 5, 2009

Processed food link to depression: research


A diet heavy in processed and fatty foods increases the risk of depression, according to British research published on Monday.

Researchers at University College London also found that a diet including plenty of fresh vegetables, fruit and fish could help prevent the onset of depression.

They compared participants -- all civil servants -- who ate a diet largely based on "whole" foods with a second group who mainly ate fried food, processed meat, high-fat dairy products and sweetened desserts.

Taking into account other indicators of a healthy lifestyle such as not smoking and taking physical exercise, those who ate the whole foodshad a 26 percent lower risk of depression than those who ate mainly processed foods.

People with a diet heavy in processed food had a 58 percent higher risk of depression.

The researchers put forward several explanations for the findings, which are published in the British Journal of Psychiatry.

Firstly, the high level of antioxidants in fruits and vegetables could have a protective effect, as previous studies have shown higher antioxidant levels to be associated with a lower risk of depression.

Secondly, eating lots of fish may protect against depression because it contains high levels of the sort ofpolyunsaturated fatty acids which stimulate brain activity.

And they said it was possible that a "whole food" diet protects against depression because of the combined effect of consuming nutrients from lots of different types of food, rather than the effect of one single nutrient.

The researchers concluded: "Our research suggests that healthy eating policies will generate additional benefits to health and well-being, and that improving people's diet should be considered as a potential target for preventing depressive disorder."

The study was carried out on 3,486 people with an average age of 55, who worked for the civil service in London.

Each participant completed a questionnaire about their eating habits, and a self-assessment for depression.

YahooNews


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Tuesday, November 3, 2009

5 breakfasts that burn fat

by EatingWell Magazine
I’m always looking for ways to get more out of my morning workout and eating the right breakfast might be my newfound secret. I was psyched to read that eating a breakfast made with “slow-release” carbohydrates, such as oatmeal or bran cereal, 3 hours before I exercise may help me burn more fat, according to a recent study. Here’s why: in the study eating “slow-release” carbohydrates didn’t spike blood sugar as high as eating refined carbohydrates, such as white toast. In turn, insulin levels didn’t spike as high and because insulin plays a role in signaling your body to store fat, having lower levels may help you burn fat.
While I like oatmeal, I can’t eat it every day. So here are 5 delicious breakfast recipes to help fight fat:


1. Scandinavian Muesli (recipe below): Serve this Scandinavian cereal with low-fat yogurt or nonfat milk to start your day off with whole grains and some protein and calcium-rich dairy. You can substitute any combination of chopped dried or fresh fruit for the raisins—apricots, apples, figs, cherries or cranberries would all be delicious. Try walnuts or hazelnuts instead of the almonds if you like. Ground flaxseeds stirred in at the end provide a boost of heart-healthy omega-3s.


2. Wake-Up Smoothie: With a stash of berries in your freezer, you can jump-start your day with this nutritious, tasty smoothie in just minutes. It provides vitamin C, fiber, potassium and soy protein.


3. Quick Breakfast Taco: A smaller cousin of the breakfast burrito, the breakfast taco made with reduced-fat Cheddar and egg substitute is a satisfying and healthy breakfast option.


4. Breakfast Parfait: A little low-fat dairy and some vitamin-rich fruit and you've just started your day right, nutritionally speaking.


5. Banana-Bran Muffins: Ripe bananas are just right for these moist bran muffins. Add a handful of dark chocolate chips to entice children to enjoy a fiber-rich treat.


Scandinavian Muesli


Make Ahead Tip: Cover and refrigerate for up to 2 weeks.
2 cups old-fashioned or quick-cooking (not instant) rolled oats2/3 cup rye flakes or wheat flakes (see Note)1/3 cup coarsely chopped almonds (1 3/4 ounces)2 tablespoons flaked coconut (sweetened or unsweetened)1/2 cup raisins2 tablespoons honey1/2 teaspoon vanilla extractPinch of cinnamon1/4 cup flaxseeds, ground (optional; see Tip)


1. Preheat oven to 350°F. Coat a baking sheet with cooking spray. Spread oats and rye (or wheat) flakes on the baking sheet. Bake for 10 minutes. Stir in almonds and coconut; bake until the oats are fragrant, about 8 minutes. Turn off the oven. Stir raisins into the muesli.


2. Microwave honey for 10 seconds in a glass measuring cup. Stir in vanilla and cinnamon; drizzle over the muesli and stir to coat. Return the muesli to the turned-off warm oven and let cool completely, about 2 hours. Stir in flaxseeds, if using.
Makes 8 servings, about 1/2 cup each.


Per serving:196 calories; 5 g fat (1 g sat, 2 g mono); 0 mg cholesterol; 34 g carbohydrate; 6 g protein; 5 g fiber; 6 mg sodium; 209 mg potassium. Nutrition bonus: Fiber (18% daily value).
Ingredient Note: Rye or wheat flakes are simply rye or wheat kernels that have been steamed and rolled, oatmeal-style. Look for them in natural-foods stores.Tip: Grind flaxseeds in a clean coffee grinder or dry blender just before using.




By Brierley Wright, M.S., R.D.