GREEN TEA: Secrets to Flat Belly, Youthful Skin & More

https://www.youtube.com/watch?v=M5RVJY3ZCI4

Best and Worst Drinks for Preventing Kidney Stones

Mention kidney stones and everyone within earshot winces—because we’ve all heard how painful these stones can be. So if you want to be stone-free, you’re probably following the common advice to drink lots of liquids. But instead of focusing on how much you drink, the crucial question is what you drink, a new study reveals. Certain beverages—including some very surprising ones, such as beer!—are particularly helpful in protecting against stones, while other drinks do more harm than good.

Unfortunately, kidney stones are common, plaguing 19% of men and 9% of women in the US at least once in their lifetimes—and recurrences are quite common. Drinking plenty of water helps prevent stones from forming…but actually, there are other fluids that can be even more effective.

DRINK THIS, NOT THAT

Using data from three large studies, researchers followed 194,095 people, none of whom had a history of kidney stones, for more than eight years. Participants periodically completed questionnaires about their diet and overall health. During the course of the study, there were 4,462 cases of kidney stones.

Researchers adjusted for health factors (age, body mass index, diabetes, medications, blood pressure) as well as various dietary factors (including intake of meat, calcium and potassium) known to affect kidney stone risk. Then they calculated the stone risk associated with various types of beverages.

How the comparison was done: For each analysis, the effects of drinking an average of one or more servings per day were compared with drinking less than one serving per week. Because data from three different studies were used, serving sizes were not necessarily alike across the board. But in general, a serving was considered to be 12 ounces of soda or beer…eight ounces of coffee, tea, milk or fruit punch…five ounces of wine…and four to six ounces of juice. The researchers’ findings were eye-opening.

Kidney stone risk boosters…

• Sugar-sweetened noncola sodas increased kidney stone risk by 33%.
• Sugar-sweetened colas increased risk by 23%.
• Fruit punch increased risk by 18%.
• Diet noncola sodas (but, surprisingly, not diet colas) increased risk by 17%.

Kidney stone risk reducers…

• Beer reduced kidney stone risk by 41%.
• White wine reduced risk by 33%.
• Red wine reduced risk by 31%.
• Caffeinated coffee reduced kidney stone risk by 26%.
• Decaf coffee reduced risk by 16%.
• Orange juice reduced risk by 12%.
• Tea reduced risk by 11%.

Consumption of milk and juices other than orange juice did not significantly affect the likelihood of developing kidney stones.

Theories behind the findings: Because sugar-sweetened sodas and fruit punch are associated with higher risk, researchers suspect that their high fructose concentration may increase the amount of calcium, oxalate and uric acid in the urine—and those substances contribute to kidney stone formation. So how to explain the beneficial effects of orange juice, which is also high in fructose? Perhaps orange juice’s high concentration of potassium citrate offsets the fructose and favorably changes the composition of urine.

Regarding the beneficial effects of coffee and tea, it could be that their caffeine acts as adiuretic that promotes urine production and thus helps prevent stones. Tea and coffee, including decaf, also contain antioxidants that may help combat stone formation. Alcohol, too, is a diuretic, and wine and beer contain antioxidants as well—though of course, with any type of alcoholic beverage, moderation is important.

Source: Pietro Manuel Ferraro, MD, physician, department of internal medicine and medical specialties, Catholic University of the Sacred Heart, Rome, Italy. His study was published in Clinical Journal of the American Society of Nephrology.

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Coffee makes you a better, healthier person

Caffeine helps break down glucose and keep people moral, research says

Drinking coffee could help people become more ethical at work, and stave off diabetes, according to two new studies.

Tired workers are less likely to resist unethical influence from senior colleagues, and the equivalent of a large cup of coffee could help stave off tiredness that can lead to immoral behaviour, claims a new study published in the Journal of Applied Psychology.

Sleepy workers are more likely to give into unethical or deceptive requests from their bosses, the study claims. Providing caffeine in the workplace and reducing long hours could help workers avoid ethical lapses, the authors of the study said.

“When you’re sleep deprived at work, it’s much easier to simply go along with unethical suggestions from your boss because resistance takes effort and you’re already worn down,” said David Welsh, one of the authors of the study. “However, we found that caffeine can give sleep-deprived individuals the extra energy needed to resist unethical behavior.”

Measures such as ethical codes of conduct might not be enough to encourage good behaviour if workers are too tired to carry them out, the researchers note.

Another study has found that upping coffee consumption by about 1.5 cups can lower the risk of developing type two diabetes. The ideal amount to stave off the disease is around 3 to 5 cups, researchers said.

The drink contains a number of compounds that improve the body’s ability to break down glucose, which contributes towards diabetes, the study’s authors said.

Scientists at the Harvard School of Public Health examined 20 years of data from more than 100,000 people, and found that those that reduced their coffee habit by 8 or more ounces a day — around a cup — saw a 17% hike in their risk of type two diabetes.

Drinking an extra cup or more decreased the risk by 11%. Those that already drank more 24 ounces or more a day and didn’t reduce their consumption for the study were around 37% less likely to be diagnosed with diabetes. 

by Andrew Griffin 2 May 2014

http://www.independent.co.uk/news/science/coffee-makes-you-a-better-healthier-person-9317190.html