In my previous article I have provided some very important and eye opening information about the hard facts about soft drinks atPart 1
Now in detail you can read the health problems, the soft drinking habit can gift us:
One very recent, independent, peer-reviewed study demonstrates a strong link between soda consumption and childhood obesity.
One previous industry-supported, unpublished study showed no link. Explanations of the mechanism by which soda may lead to obesity have not yet been proved, though the evidence for them is strong.
Reporting in The Lancet, a British medical journal, a team of Harvard researchers presented the first evidence linking soft drink consumption to childhood obesity. They found that 12-year-olds who drank soft drinks regularly were more likely to be overweight than those who didn't.
For each additional daily serving of sugar-sweetened soft drink consumed during the nearly two-year study, the risk of obesity increased 1.6 times.
Obesity experts called the Harvard findings important and praised the study for being prospective. In other words, the Harvard researchers spent 19 months following the children, rather than capturing a snapshot of data from just one day. It's considered statistically more valuable to conduct a study over a long period of time.
Researchers found that schoolchildren who drank soft drinks consumed almost 200 more calories per day than their counterparts who didn't down soft drinks. That finding helps support the notion that we don't compensate well for calories in liquid form.
Here's one health effect that even the soft drink industry admits, grudgingly, has merit. In a carefully worded statement, the NSDA says that "there's no scientific evidence that consumption of sugars per se has any negative effect other than dental caries." But the association also correctly notes that soft drinks aren't the sole cause of tooth decay.
In fact, a lot of sugary foods, from fruit juices to candy and even raisins and other dried fruit, have what dentists refer to as "cariogenic properties," which is to say they can cause tooth decay.
Okay, so how many more cavities are soft drink consumers likely to get compared with people who don't drink soda? This is where it gets complicated.
A federally funded study of nearly 3,200 Americans 9 to 29 years old conducted between 1971 and 1974 showed a direct link between tooth decay and soft drinks. Numerous other studies have shown the same link throughout the world, from Sweden to Iraq.
But sugar isn't the only ingredient in soft drinks that causes tooth problems. The acids in soda pop are also notorious for etching tooth enamel in ways that can lead to cavities. "Acid begins to dissolve tooth enamel in only 20 minutes," notes the Ohio Dental Association in a release issued earlier this month.
The stimulant properties and dependence potential of caffeine in soda are well documented, as are their effects on children.
Ever tried going without your usual cup of java on the weekend? If so, you may have experienced a splitting headache, a slight rise in blood pressure, irritability and maybe even some stomach problems.
These well-documented symptoms describe the typical withdrawal process suffered by about half of regular caffeine consumers who go without their usual dose.
The soft drink industry agrees that caffeine causes the same effects in children as adults, but officials also note that there is wide variation in how people respond to caffeine. The simple solution, the industry says, is to choose a soda pop that is caffeine-free. All big soda makers offer products with either low or no caffeine.
That may be a good idea, though it raises the question of whether soda machines in schools should be permitted to offer caffeinated beverages or at least be obligated to offer a significant proportion of caffeine-free products.
It also raises the question of how one determines a product's caffeine content. Nutrition labels are not required to divulge that information. If a beverage contains caffeine, it must be included in the ingredient list, but there's no way to tell how much a beverage has, and there's little logic or predictability to the way caffeine is deployed throughout a product line.
Okay, so most enlightened consumers already know that colas contain a fair amount of caffeine. It turns out to be 35 to 38 milligrams per 12-ounce can, or roughly 28 percent of the amount found in an 8-ounce cup of coffee. But few know that diet colas -- usually chosen by those who are trying to dodge calories and/or sugar -- often pack a lot more caffeine.
A 12-ounce can of Diet Coke, for example, has about 42 milligrams of caffeine -- seven more than the same amount of Coke Classic. A can of Pepsi One has about 56 milligrams of caffeine -- 18 milligrams more than both regular Pepsi and Diet Pepsi.
Even harder to figure out is the caffeine distribution in other flavors of soda pop. Many brands of root beer contain no caffeine. An exception is Barq's, made by the Coca-Cola Co., which has has 23 milligrams per 12-ounce can. Sprite, 7-Up and ginger ale are caffeine-free. But Mountain Dew, the curiously named Mello Yellow, Sun Drop Regular, Jolt and diet as well as regular Sunkist orange soda all pack caffeine.
Caffeine occurs naturally in kola nuts, an ingredient of cola soft drinks. But why is this drug, which is known to create physical dependence, added to other soft drinks?
The industry line is that small amounts are added for taste, not for the drug's power to sustain demand for the products that contain it. Caffeine's bitter taste, they say, enhances other flavors. "It has been a part of almost every cola -- and pepper-type beverage -- since they were first formulated more than 100 years ago," according to the National Soft Drink Association.
But recent blind taste tests conducted by Roland Griffiths at Johns Hopkins Medical Institutions in Baltimore found that only 8 percent of regular soft drink consumers could identify the difference between regular and caffeine-free soft drinks.
The study included only subjects who reported that they drank soft drinks mainly for their caffeine content. In other words, more than 90 percent of the self-diagnosed caffeine cravers in this small sample could not detect the presence of caffeine.
That's why the great popularity of caffeinated soft drinks is driven not so much by subtle taste effects as by the mood-altering and physical dependence of caffeine that drives the daily self-administration.
And the unknown could be especially troublesome for the developing brains of children and adolescents. Logic dictates that when you are dependent on a drug, you are really upsetting the normal balances of neurochemistry in the brain. The fact that kids have withdrawal signs and symptoms when the caffeine is stopped is a good indication that something has been profoundly disturbed in the brain.
Exactly where that leads is anybody's guess -- which is to say there is little good research on the effects of caffeine on kids' developing brains.
Animal studies demonstrate that phosphorus, a common ingredient in soda, can deplete bones of calcium.
And two recent human studies suggest that girls who drink more soda are more prone to broken bones. The industry denies that soda plays a role in bone weakening.
Animal studies -- mostly involving rats -- point to clear and consistent bone loss with the use of cola beverages. But as scientists like to point out, humans and rats are not exactly the same.
Even so, there's been concern among the research community, public health officials and government agencies over the high phosphorus content in the US diet. Phosphorus -- which occurs naturally in some foods and is used as an additive in many others -- appears to weaken bones by promoting the loss of calcium. With less calcium available, the bones become more porous and prone to fracture.
The soft drink industry argues that the phosphoric acid in soda pop contributes only about 2 percent of the phosphorus in the typical US diet, with a 12-ounce can of soda pop averaging about 30 milligrams.
There's growing concern that even a few cans of soda today can be damaging when they are consumed during the peak bone-building years of childhood and adolescence. A 1996 study published in the Journal of Nutrition by the FDA's Office of Special Nutritional noted that a pattern of high phosphorus/low calcium consumption, common in the American diet, is not conducive to optimizing peak bone mass in young women.
A 1994 Harvard study of bone fractures in teenage athletes found a strong association between cola beverage consumption and bone fractures in 14-year-old girls. The girls who drank cola were about five times more likely to suffer bone fractures than girls who didn't consume soda pop.
Besides, to many researchers, the combination of rising obesity and bone weakening has the potential to synergistically undermine future health. Adolescents and kids don't think long-term. But what happens when these soft-drinking people become young or middle-aged adults and they have osteoporosis, sedentary living and obesity?
By that time, switching to water, milk or fruit juice may be too little, too late.
Source link: Washington Post February 27, 2001; Page HE10
5- For more studies about this topic and to know what expert say about health effects of soda use. This is a compilation of quotes about the destructive health effects of soft drinks from some of the leading authors on health, nutrition and junk food.
The health effects of drinking soda - quotes from the experts
-Soft drinks add up dangerous toxins to your body.
Soft drinks-hard facts
This is an interesting story about a person who has been addicted to soft drinks, but how he suffered from many health problems and realized that these soft drinks were main cause of his sickness, and tried to quit from his habits.
Confessions Of A Soft Drink Addict "Andrew K"
Confession of a soft Drink Addict
The hidden chemicals in splenda
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