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viernes, 23 de marzo de 2012

Las 10 peores comidas versus las 10 mejores

El Centro para la Ciencia en el Interés Público (Center for Science in the Public Interest) identificó las 10 peores comidas versus las 10 consideradas más saludables.

"10 Worst and Best Foods"
Fuente: cspinet (punto) org/nah/10foods_bad (punto) html

LAS 10 PEORES COMIDAS

1. Artery Crust

Judging by the label, Marie Callender’s (16.5 oz) Chicken Pot Pie has "only" 520 calories, 11 grams of saturated fat, and 800 mg of sodium. But look again. Those numbers are for only half a pie. Eat the entire pie, as most people probably do, and you’re talking 1,040 calories, 22 grams of saturated fat (more than a day’s worth), and 1,600 mg of sodium (an entire day’s worth).

2. Triple Bypass

Can’t decide what to pick from a restaurant menu? No worries. Now you can order not just one entrée, but two… or three... all at once. Olive Garden’s Tour of Italy – Homemade Lasagna, Lightly Breaded Chicken Parmigiana, and Creamy Fettuccine Alfredo – comes with 1,450 calories, 33 grams of saturated fat, and 3,830 milligrams of sodium. Add a breadstick (150 calories and 400 mg of sodium) and a plate of Garden-Fresh Salad with dressing (350 calories and 1,930 mg of sodium) and you’ll consume almost 2,000 calories (an entire day’s worth) and 6,160 mg

3. Salt's On!

On average, a cup of Campbell’s Condensed soup has 760 mg of sodium. That’s half a day’s worth … assuming you eat only one of the 2½ servings that the label says the can makes. Campbell’s Healthy Request and Select Harvest, Progresso Reduced Sodium, and Healthy Choice slash the sodium to the 400s. Look for lower sodium lines in the 100s to 300s by Amy’s, Imagine Foods, Pacific Natural Foods, and Tabatchnick.

4. Tortilla Terror

Interested in a Chipotle Chicken Burrito (tortilla, rice, pinto beans, cheese, chicken, sour cream, and salsa)? Think of its 970 calories, and 18 grams of saturated fat as three 6-inch Subway BLT Classic Subs! Skipping the cheese or sour cream cuts the saturated fat to 6 grams, but you still end up with 750 calories and more than a day’s worth of sodium. Yikes!

5. Factory Reject

People don’t expect light desserts at The Cheesecake Factory. But the Chocolate Tower Truffle Cake kicks things up a notch. If it weren’t served on its side, this one would stand over six inches tall. And upright or not, the slab of cake still weighs in at three-quarters of a pound. What do you get for all that heft? Just 1,760 calories and 2½ days’ worth of saturated fat (50 grams), mostly from chocolate, sugar, cream, white flour, and butter.

6. Burial Grands

No one thinks of cinnamon rolls as health food. But each Pillsbury Grands! Cinnabon Cinnamon Roll with Icing has 310 calories and 2 grams of saturated fat plus 2½ grams of trans fat (more than a day’s worth) and 5 teaspoons of sugar. Companies are dumping their partially hydrogenated oils left and right, yet Pillsbury still makes most of its rolls and biscuits with the stuff.

7. Transgression

“Excellent source of ALA Omega 3,” declares the Land O’Lakes Margarine box. Who knew that Land O’Lakes stick margarine was so heart healthy? It isn’t. Each tablespoon of the spread has 2½ grams of trans fat (more than an entire day’s limit) and 2 grams of saturated fat. And beware of other trans-filled sticks by Blue Bonnet, Parkay, Country Crock, and Fleischmann’s. At least those brands don’t imply that a bit of ALA outweighs the harm caused by the margarine’s trans and saturated fat. Shopping tip: Look for tub margarines – most have little or no trans fat.

8. Starbucks on Steroids

The Starbucks Venti (20 oz) White Chocolate Mocha with 2% milk and whipped cream is more than a mere cup of coffee. It’s worse than a McDonald’s Quarter Pounder with Cheese. Few people have room in their diets for the 580 calories and 15 grams of saturated fat that this hefty beverage supplies. But you can lose 130 calories and almost two-thirds of the bad fat if you order it with nonfat milk and no whipped cream.

9. Extreme Ice Cream

An average halfcup serving of Häagen-Dazs ice cream squeezes half-a-day’s saturated fat and a third-of-a-day’s cholesterol into your artery walls and makes a nearly 300-calorie down-payment on your next set of fat cells – if you can stop at a petite half-cup!

10. Stone Cold

Cold Stone Creamery’s Oh Fudge! shake (chocolate ice cream, milk, and fudge syrup) starts at 1,250 calories for the “Like It” (16 oz) size. That’s more than a large (32 oz) McDonald’s McCafe Chocolate Triple Thick Shake. The “Love It” (20 oz) has 1,660 calories and the “Gotta Have It” (24 oz) reaches 1,920 calories (just about an entire day's worth) and 69 grams of saturated fat (3½ days’ worth). That's the saturated fat content of two 16 oz T-bone steaks plus a buttered baked potato, all blended into a handy 24 oz cup.


LAS 10 MEJORES COMIDAS

1. Sweet Potatoes

A nutritional All-Star — one of the best vegetables you can eat. They're loaded with carotenoids, vitamin C, potassium, and fiber. Bake and then mix in some unsweetened applesauce or crushed pineapple for extra moisture and sweetness.

2. Mangoes

Just one cup of mango supplies 100% of a day’s vitamin C, one-third of a day’s vitamin A, a decent dose of blood-pressure-lowering potassium, and 3 grams of fiber. Bonus: mango is one of the fruits least likely to have pesticide residues.

3. Unsweetened Greek Yogurt

Non-fat, plain Greek yogurt has a pleasant tartness that’s a perfect foil for the natural sweetness of berries, bananas, or your favorite breakfast cereal. It’s strained, so even the fat-free versions are thick and creamy. And the lost liquid means that the yogurt that’s left has twice the protein of ordinary yogurt – about 17 grams in 6 ounces of plain Greek yogurt.

4. Broccoli

It has lots of vitamin C, carotenoids, vitamin K and folic acid. Steam it just enough so that it's still firm and add a sprinkle of red pepper flakes and a spritz of lemon juice.

5. Wild Salmon

The omega-3 fats in fatty fish like salmon can help reduce the risk of sudden-death heart attacks. And wild-caught salmon has less PCB contaminants than farmed salmon.

6. Crispbreads

Whole-grain rye crackers, like Wasa, Kavli, and Ryvita — usually called crispbreads — are loaded with fiber and often fat-free. Drizzle with a little honey and sprinkle with cinnamon to satisfy your sweet tooth.

7. Garbanzo Beans

All beans are good beans. They’re rich in protein, fiber, iron, magnesium, potassium, and zinc. But garbanzos stand out because they’re so versatile. Just drain, rinse, and toss a handful on your green salad; throw them into vegetable stews, curries, and soups; mix them with brown rice, whole wheat couscous, bulgur, or other whole grains.

8. Watermelon

Watermelon is a heavyweight in the nutrient department. A standard serving (about 2 cups) has one-third of a day’s vitamins A and C, a nice shot of potassium, and a healthy dose of lycopene for only 80 fat-free, salt-free calories. And when they’re in season, watermelons are often locally grown, which means they may have a smaller carbon footprint than some other fruits.

9. Butternut Squash

Steam a sliced squash or buy peeled, diced butternut squash at the supermarket that’s ready to go into the oven, a stir-fry, or a soup. It’s an easy way to get lots of vitamins A and C and fiber.

10. Leafy Greens

Don’t miss out on powerhouse greens like kale, collards, spinach, turnip greens, mustard greens, and Swiss chard. These stand-out leafy greens are jam-packed with vitamins A, C, and K, folate, potassium, magnesium, calcium, iron, lutein, and fiber. Serve with a splash of lemon juice or red wine vinegar.

Fuente: cspinet (punto) org/nah/10foods_bad (punto) html

jueves, 1 de marzo de 2012

Riesgo de impacto de asteroide sobre la tierra

Y fue el diluvio cuarenta días sobre la tierra; y las aguas crecieron, y alzaron el arca, y se elevó sobre la tierra.
Y subieron las aguas y crecieron en gran manera sobre la tierra; y flotaba el arca sobre la superficie de las aguas.
Y las aguas subieron mucho sobre la tierra; y todos los montes altos que había debajo de todos los cielos, fueron cubiertos.
Quince codos más alto subieron las aguas, después que fueron cubiertos los montes. Y murió toda carne que se mueve sobre la tierra, así de aves como de ganado y de bestias, y de todo reptil que se arrastra sobre la tierra, y todo hombre. Todo lo que tenía aliento de espíritu de vida en sus narices, todo lo que había en la tierra, murió. Así fue destruido todo ser que vivía sobre la faz de la tierra, desde el hombre hasta la bestia, los reptiles, y las aves del cielo; y fueron raídos de la tierra, y quedó solamente Noé, y los que con él estaban en el arca.
Y prevalecieron las aguas sobre la tierra ciento cincuenta días. (Génesis 7:17-24)

Vea:
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