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Filed: AOS (apr) Country: Philippines
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Experts reveal the truth behind the most popular (and persistent) health rumors stressing you out

By Ben Cramer, Prevention

Does reading in low light really hurt your eyes? How about sitting too close to the TV? (No, and no.) Why are you better off drinking exactly eight glasses of water per day? (You're not.) Thanks to quack culture, the Internet, and well-intentioned but poorly informed relatives, it's become harder than ever to separate fact from fiction. Whatever its origin, misleading health information can cause unnecessary anxiety and distract you from wellness habits that truly deserve your energy and attention. Here's a dissection of six watercooler myths that will give you all the authority you need to refute your brother's latest forwarded e-mails.

Cell phones are dangerous to use in hospitals because they can interfere with medical equipment.

Verdict: JURY'S OUT.

There's a chance that a cell phone call in the wrong spot can cause ventilators, syringe pumps, or even pacemakers to pulse incorrectly, according to a 2007 Dutch study. The researchers tested modern cell phones, including PDAs that use wireless Internet signals. After placing the phones just a few centimeters from devices, researchers found that 43% of the phones caused electromagnetic interference with critical care equipment—and a third of those instances could be potentially life-threatening to patients. But those findings countered a Mayo Clinic study a year prior that found no instances of "clinically important" interference between cell phones and medical machines. In fact, Mayo researchers advised hospitals to revise or drop their cell phone bans.

Bottom Line: Play it safe for now. Use a designated cell phone area at the hospital, which most now offer—or use a call as an excuse for a walk-and-talk outside for some fresh air and exercise. If you feel compelled to stay by a relative's side in the ER or recovery room, make sure to carry a good old-fashioned calling card to use at a pay phone.

It's safe to follow "the five second rule" for food dropped on the floor.

Verdict: FICTION.

It's probably not even safe to follow a one-second rule: The transfer of bacteria from a contaminated surface to food is almost instantaneous—or, at the very least, quicker than your reflexes. In a recent study, Clemson University food scientist Paul Dawson, Ph.D., and students contaminated several surfaces (ceramic tile, wood flooring, and carpet) with Salmonella. They then dropped pieces of bologna and slices of bread on the surfaces for as little as five seconds and as long as 60 seconds. After just five seconds, both food types had already picked up as many as 1,800 bacteria (more bad bugs adhered to the moisture-rich bologna than the bread); after a full minute, it was up to 10 times that amount.

Bottom Line: There are 76 million cases of foodborne illness annually in the United States, according to the CDC—so unless you're the only family on the block that sterilizes their floors on an hourly basis, you should refrain from eating dropped food. "Let's not forget what comes into contact with floors—people bring animal feces on their shoes into their homes," Dawson says. And don't assume that countertops are clean. Dawson's team also found that the Salmonella actually survived as long as four weeks on the test surfaces. As the recent tomato-related illnesses nationwide showed, "raw fruits and vegetables are as frequently the perpetrators of Salmonella transfer as poultry," Dawson says.

Cracking your knuckles can cause arthritis

Verdict: FICTION.

If you're suffering from osteoarthritis in your hands, it certainly has nothing to do with this nervous tic. One study at the former Mount Carmel Mercy Hospital in Detroit compared 74 people (age 45 and older) who had been chronic knuckle crackers for decades with 226 who always left their hands alone; researchers found no difference in the incidence of osteoarthritis between the two groups. But there are reasons to stop this annoying habit: The same study found knuckle crackers to be far more likely to have weaker grip strength and greater hand swelling, both of which can limit dexterity. As for osteoarthritis, that's more likely due to genetics and increasing age.

Bottom Line: Try turning your nervous energy into a less harmful habit that occupies your hands (such as doodling). If a different activity doesn't get you to stop, try putting a large rubber band around your wrist and every time you catch yourself cracking your knuckles, pull it back and let it snap as a reminder that your habit really can be harmful. Most important, get to the bottom of what's causing your nervousness in the first place—you may crack your knuckles more often at work than at home, for example—and address those sources directly.

Cola-type soft drinks can damage your kidneys.

Verdict: FACT.

Despite their global popularity, there's nothing remotely healthy about cola beverages: Drinking 16 ounces or more daily (whether diet or regular) doubles your risk of chronic kidney disease, according to a recent NIH study of more than 900 people. The researchers already knew that consuming any type of soft drink—the average American adult guzzles 59 gallons' worth per year—is associated with several risk factors for kidney disease (hypertension, diabetes, and kidney stones), but the spike in the cola category was remarkable. Experts suspect that the ingredient phosphoric acid may be the culprit; it's been repeatedly linked to "urinary changes that promote kidney stones," say the study authors. Cola has an additional knock against it: Consumption is associated with significantly lower bone density in women, increasing the risk of osteoporosis and bone fractures, says a separate study.

Bottom Line: If you're going to indulge in an occasional soda, go for Sprite, 7-Up, ginger ale, and the like—the NIH study found that noncola drinks didn't have the same impact on the kidneys. But you'll be better off if you skip soda altogether, even the sugar-free varieties: Recent research showed an association between drinking diet soda and weight gain.

"Double dipping" spreads germs from one chip to another.

Verdict: FACT.

In a classic episode of "Seinfeld," a man accused George Costanza of spreading germs by "double-dipping"—swiping a chip into a bowl of dip, taking a bite, and then dipping the same chip again. Having settled the five-second rule debate, Clemson University's Dawson decided to do the same recently with this alleged party faux pas. It turns out that George really was contaminating the other guests: Using Wheat Thins and various dips, Dawson found that a double-dip deposited thousands of saliva bacteria into the dip—and of those, 50 to 100 were later transferred through the dip to a clean cracker, presumably destined for another guest's mouth. Still unknown, however, is how long such bacteria can survive in the dip or if they can actually infect another dipper upon ingestion.

Bottom Line: You'd better be pretty comfy with your party guests. "Eating from a dip after someone has dipped twice is basically the same as kissing that person," Dawson says. Be especially wary of thin dips; the study found that the lower the dip's viscosity, the higher the rate of germ transfer from a double dip. For example, a chip's second plunge into a cheese dip is less cause for concern than a watery salsa—thicker dips apparently don't allow errant bacteria to travel as far as thinner varieties. Finally, think twice about digging into any dip at the end of the night; remnants on the sides or bottom of a bowl are most likely a highly concentrated mash of germs, Dawson says, akin to the last sip in a can of soda.

Eating locally produced honey can ease seasonal allergies.

Verdict: JURY'S OUT.

The theory seems sound: Bees in your neighborhood feed on the same pollen that gives you itchy eyes and a runny nose. That pollen gets added to the hive's honey, and ingesting it helps you build a tolerance to those allergens—or so the thinking goes. But does this really work? "We don't know—there are no studies to support it, only testimonials," says Leonard Bielory, M.D., director of the Asthma and Allergy Research Center at New Jersey Medical School. Of course, the same process could produce negative effects—bees may visit problem plants, such as poison ivy, and cause a rash in people ingesting the ivy-tainted honey. Yet anecdotal reports claim just the opposite: Some honey lovers insist that the sweetener has helped build an immunity to such reactions.

Bottom Line: Keep standard allergy remedies on hand, but feel free to enjoy local honey, too—it's a worthy replacement for other sweeteners and even has natural antibiotic properties.

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Filed: Country: Pakistan
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Sorry. Is there a Cliff's Notes version? I have ADD :whistle:

"Tolerance implies no lack of commitment to one's own beliefs. Rather it condemns the oppression or persecution of others.

~John Fitzgerald Kennedy~

“Out beyond ideas of wrongdoing and rightdoing, there is a field. I will meet you there."

~Jalal ad-Din Rumi~

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I don't believe entirely that, I think that part of that is some of the junk we find on the internet!!!

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Filed: Citizen (pnd) Country: Mexico
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i saw the double dipping test on tv, they had it on food science in the food network channel..

El Presidente of VJ

regalame una sonrisita con sabor a viento

tu eres mi vitamina del pecho mi fibra

tu eres todo lo que me equilibra,

un balance, lo que me conplementa

un masajito con sabor a menta,

Deutsch: Du machst das richtig

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mmmmmm foooooooooood channel......... mmmmmmmmmmmmmmmm

Service Center : California Service Center

Consulate : Nicaragua

Marriage : 2008-02-21

I-130 Sent : 2008-03-27

I-130 NOA1 : 2008-04-01

I-130 Approved : 2008-07-10

NVC Received : 2008-07-11

Received DS-3032 / I-864 Bill : 2008-07-21

Pay I-864 Bill AND Return Completed DS-3032 : 2008-07-22

IV Payment Online: 2008-07-30

Sent Completed I-864 and DS230: 2008-08-01

DS230 and I864 entered to the system:2008-08-06

Case Completed at NVC : 2008-08-14 //// 35 days! /// Not bad!

Medical Exam: 2008-09-18

Interview Date : 2008-10-08

Visa Received : 2008-10-16

US Entry : 2008-10-18 POE: Houston

Lifting Conditions

CIS Office : California Service Center

Date Filed : 2010-07-16

NOA Date : 2010-07-20

Biometrics Taken: 2010-07-29

RFE 2010/10/12

RFE Respond 2010/11/05

Aproverd: 2010/11/23

Card Received: 2010/11/27

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  • 3 weeks later...
the average American adult guzzles 59 gallons' worth per year

:blink:

I know that it shouldn't really surprise me...but it does!

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