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Work in progress. My neurofeedback app for Android will be available in the Google Play Store when completed.

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Is coffee good or bad for your health?

How would you like a drug which could lower your risk of Parkinson's disease, diabetes, as well as colon cancer?

A substance which could lift your mood and relieve headaches? A drug that could lower your risk of getting cavities? Coffee appears to be that substance.
coffee beans

Studies indicate coffee reduces the risk for diabetes and Parkinson's

Some studies have shown that coffee may reduce the risk of type 2 diabetes. After analyzing data on 120,000 people over an 18-year period (1), researchers at Harvard have concluded that drinking 1 to 3 cups of caffeinated coffee each day can reduce diabetes risk by several percentage points, compared with not drinking coffee at all.

Even more significant, is the fact that in this study, having 6 cups or more per day slashed men's risk by 54% and women's risk by 30% over those who avoided coffee. This study is the latest of hundreds of studies which suggest that coffee may be something of a health food - especially in higher amounts.

Over the past 20 years, over 19,000 studies have been conducted to examine the impact of coffee on one's health. Overall, the results are good news for the 110 million Americans who routinely enjoy this traditional morning ritual.

"By and large, the studies (2) show that coffee is far more beneficial than it is harmful," says Tomas DePaulis, PhD, researcher at Vanderbilt University's Institute for Coffee Studies, which conducts its own research and tracks coffee studies around the globe. For most individuals, studies show that very little bad comes from drinking coffee, but a lot of good.

At least 6 studies (3) indicate that people who drink coffee on a regular basis have up to 80% lower risks of developing Parkinson's disease, with 3 of those studies indicating that the more coffee they drink, the lower the risk. Other studies indicate that, compared to not drinking coffee, drinking at least 2 cups per day can lead to a 25% lower risk of colon cancer, an 80% drop in the risk of liver cirrhosis, and nearly 50% the risk of gallstones.

coffee beans roasted
Is it the caffeine that is responsible for those benefits? Is it the antioxidants in coffee beans, some of which become especially potent during the roasting process?

 

Studies indicate that it might be both those factors.

"The evidence is very strong that regular coffee consumption reduces the risk for Parkinson's disease and that in the case of Parkinson's disease, the benefits are directly related to caffeine," according to Dr. DePaulis (2).

Researchers believe that some of coffee's reported beneficial effects are a direct result of its higher caffeine content: An 8-ounce cup of coffee contains about 85 mg of caffeine - about 3 times more than the same serving of tea or soda.

In another study (4), researchers looked at the coffee consumption and caffeine intake in 8,000 Japanese-American men. During the course of the study which lasted nearly 30 years, about 100 men developed Parkinson's disease. The risk of developing Parkinson's decreased gradually as the daily consumption of coffee rose from 4 ounces to more than 24 ounces per day.

In addition, the researchers found the same decrease in risk regardless of the source of caffeine. The men whose intake was less than 2.8 milligrams of caffeine per day were nearly 3 times more likely to develop Parkinson's than those whose caffeine intake was more than 107 milligrams from non-coffee sources.

 

Coffee and reduced diabetes risks

But other benefits can be derived from coffee which have nothing to do with caffeine. Coffee is loaded with antioxidants, including a group of compounds called "quinines" which when administered to rats in a laboratory, increases their insulin sensitivity. The increased sensitivity improves the body's response to insulin.

Researchers don't know exactly why coffee is beneficial for diabetes. Coffee also contains large quantities of the antioxidants tocopherols and chlorogenic acid, as well as minerals such as magnesium. All of those components have been shown to improve insulin sensitivity and glucose metabolism.

This may explain why in the Harvard study (1), those drinking decaffeinated coffee also showed a reduced diabetes risk, although the reduction in risk was 50% that of those drinking caffeinated coffee.

Coffee and cavities

Some researchers believe another compound called "trigonelline" - which gives coffee its bitter taste and its aroma - may be responsible for giving coffee both anti-adhesive and antibacterial properties which help prevent dental cavities from forming.

 

Coffee consumption and moderation

On the other hand, it is clear that coffee is not for everyone. In excessive amounts - meaning more than whatever an individual's body can tolerate - coffee can cause nervousness, jitters, and rapid heartbeat.

Although studies investigating any relationship between higher cholesterol levels and coffee have yielded conflicting results, it is believed that in some people, drinking excessive amounts of coffee might cause elevated cholesterol levels (5).

However, coffee drinkers who consume filtered coffee should not worry themselves with respect to cholesterol levels, because research indicates that it is the coffee oils which are mainly responsible for the rise in cholesterol in people who drink nonfiltered or boiled coffee.

Most recent large studies show no significant adverse affects on most healthy people, although pregnant women, heart patients, and those at risk for osteoporosis may still be advised to limit or avoid coffee.

 

coffee versus soda
All in all, I certainly believe that coffee and caffeine are far less dangerous than soda. especially the "diet" kind.

One thing is certain: coffee is usually one of the most heavily sprayed crops, and is often contaminated with pesticides, fertilizers and herbicides. Therefore if you do drink coffee, you would be well advised to drink organic coffee only.

It is also a good idea to avoid putting milk and sugar in your coffee. The milk and sugar in your coffee are in fact much worse for you than the coffee itself.

Finally, use only non-bleached filters. White coffee filters, which most coffee drinkers use, are bleached with chlorine and some of this chlorine will end up in your coffee during the brewing process.
coffee filters

My favorite source for organic coffee can be found here. I find they have the best quality/price ratio online.






 

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Work in progress. My neurofeedback app for Android will be available in the Google Play Store when completed.

The Neurosky EEG headset I am wearing in the video is available here.


By Marc Lacasse

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References

(1) Annals of Internal Medicine, January 2004; vol 140; pp 1-8.

(2) Tomas DePaulis, PhD, research scientist, Vanderbilt University's Institute for Coffee Studies; research assistant professor of psychiatry, Vanderbilt University Medical Center, Nashville.

(3) Leitzmann, M. The Journal of the American Medical Association, June 9, 1999, vol 281; pp 2106-2122.

(4) JAMA 2000;283:2674-2679

(5) American Journal of Epidemiology February 15, 2001; 153: 353-362

 

 

Disclaimer: Throughout this website, statements are made pertaining to the properties and/or functions of food and/or nutritional products. These statements have not been evaluated by the Food and Drug Administration and these materials and products are not intended to diagnose, treat, cure or prevent any disease.

2004 Healing Daily