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Good News for Starbucks Lovers

OK I admit it, I'm a big coffee drinker, so maybe I'm biased in looking for studies that confirm my belief that coffee's not such a bad thing after all, but truth be told, I don't have to look very hard.

As I wrote in "The 150 Healthiest Foods on Earth", coffee is a major source of antioxidants. In fact in a 2004 Journal of Nutrition study that examined the dietary records of over 2600 adults in Norway, coffee was found to be the single greatest contributor to their total antioxidant intake.

And that's not all. Studies have shown that drinking six or more cups a day significantly reduces the risk of diabetes! Other studies show it increases alertness, exercise tolerance in heart patients, and decreases the incidence of Parkinson's and gallstone formation in men.

Now a brand new study from Japan's National Cancer Center adds to coffee's growing resume of benefits. The researchers monitored about 54,000 women over the course of 15 years. They divided the women into four groups depending on the amount of coffee they drank.

Women who drank more than 3 cups of coffee every day were more than 60 percent less likely to develop uterine cancer.

"Coffee may have effects in lowering insulin levels, possibly curing the risks of developing "womb cancer", the study reported. (Uterine cancer is the fourth most common cancer in women.)

This doesn't mean it's perfectly cool to drink 16 cups a day. It's really not. Coffee can give you the jitters (like you didn't know that!) and can disturb one of the best anti-aging stress reducing strategies in the world- a good nights sleep! Plus it can aggravate PMS.

But if you're one of those who's been under the impression that "giving up caffeine" is always, across the board, a good thing, it might be worth taking a second look at that belief.

If you enjoy coffee, I see no reason to stop.

PS: that doesn't apply to you drinkers of daily 440 calorie sugared concoctions at Starbucks. That stuff's no good for you, but it's not because of the coffee!
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Blogger Rob said...

And if you have the barista whip up your latte (or iced latte in my case) with half & half, you'll get an even better-tasting drink with fewer carbs.

October 07, 2008 2:32 PM  
Blogger S said...

I think i remember you mentioning this having an effect how the body uses insulin?

I'm fairly strict to a GL diet, and am wondering how this may effect me?

and do you have anything to say on the quality of coffee, such as instant coffee? (like instant oatmeal vs. traditional)

cheers,
S

October 07, 2008 2:58 PM  
Blogger Dr. Jonny Bowden said...

it shouldn't effect insulin in a negative way at all. And it goes fine with a low GL diet..

i do think quality matters a lot. Coffee is a pretty sprayed crop- whenever possible i'd use organic or at least a really good quality. The instant is to real coffee what Spam is to grass fed beef!

warmly
jb

October 07, 2008 3:03 PM  
Blogger Rob said...

I'm with Jonny on that - brewed coffee has a dramatically more complex flavor than instant. And freshly-ground organic coffee is even better still. And especially if you opt for decaf - which I usually do - the pricier coffee tastes substantially better.

October 07, 2008 6:12 PM  
Blogger Shelley said...

I love my two cups of coffee each and every day! I'm particularly loyal to Starbucks because I believe they source the highest quality beans and roast to full flavor perfection.

My question is, can you get the same health benefits from decaf as you can from the caffeinated cup of joe? I'm exclusively a decaf drinker. I decided 8 years ago that I could do without the jitters and the withdrawal headache if I skipped my cup of coffee, so switching to decaf has been a great alternative.

Thanks,
SB

October 07, 2008 6:35 PM  
Blogger PJPrimitives said...

I have switched to decaf because caffine seems to make me hungry. Will I still get the benifits from it?

October 08, 2008 3:48 AM  
Blogger Xenia said...

OK, what about the devastating health effects of coffee? It causes dehydration, and dehydration in turn is linked to a long list of chronic problems. It contributes to adrenal fatigue and all adrenal-challenged people (and aren't we all adrenal challenged?) should eliminate caffeine intake completely (according to Richard Shames, MD and many other authors).

Neurosurgeon dr. Russell L. Blaylock reports that high caffeine intake can precipitate seizures in otherwise normal people. Coffee can increase estrogen in women. It can raise cholesterol, damage blood vessels, contribute to rheumatoid arthritis. It also impairs short term memory, increases the risk of kidney stones in prone individuals and so on.

Plus, coffee can also interfere with the absorption of many vitamins and minerals (such as calcium and iron).

To say that most coffee is heavily sprayed is an understatement. It has been documented that an average coffee field is sprayed almost daily during the season since due to warm and humid climate of the regions where the coffee is grown, there would otherwise be no harvest at all. Not many people drink organic coffee so the coffee they ingest contains residues of over 200 pesticides and herbicides. On top of it, even "organic" crops contain up to 30% of the chemicals that the regular coffee does.

October 08, 2008 4:58 AM  
Blogger Shaun said...

Should timing be monitered of when you drink your coffee in order to not disturb a healthy cortisol curve throughut the day and does cream added to coffee affect this

thanks, i love the site
sw

October 08, 2008 8:33 AM  
Blogger Dr. Jonny Bowden said...

i honestly don't know. All the studies were done on caffeine containing beverages. So the truthful answer is I don't know!

warmly
jb

October 08, 2008 10:26 AM  
Blogger Dr. Jonny Bowden said...

Hi Xenia

I hope you won't think I'm rude, but I actually can't use this space to debate points of research, biochemistry and philosophy. I am very fond of Dr. Blaylock and have interviewed him many times, and respect his work, but I believe you are misreading his conclusions. In any case, there are always divided opinions on any area in nutrition, just as in any area of study. My newsletter contains MY reading of the literature, my opinions and the research I can share with you to support that. You are entirely free to feel otherwise and I respect that.

I don't agree with you that coffee has "devastating health effects" but I respect your right to disagree with me.

warmly
jb

October 08, 2008 10:29 AM  
Blogger Antonio said...

Hi Jonny,
With all the negatives going for coffee it has become clear to me that addictions have a way of blurring our judgement. All this time I thought it was raw coffee that had the antioxidants. Unfortunately it makes a bad brew.

Take care,

Antonio.

October 09, 2008 4:35 PM  
Blogger june5051 said...

Hi Jonny,
Thanks for all this great info.
I read recently on glaucoma.com that people with glaucoma (moi) should not consume any caffeine (including chocolate..:-( !!
I wonder if these coffee studies were done strictly with full strength. Does the de-caf process negate some of the health benefits?
Any studies done with de-caf? Hmmmmm!!

October 09, 2008 10:22 PM  
Blogger Dr. Jonny Bowden said...

Hi June

The study you are talking about was done in the Annals of Pharmacotherapy in 2002, and tested approximately 7 ounces of regular coffee against the same amount of decaf in 28 people with glaucoma. The regular coffee did produce a statistically significant increase in what's called IOP (intra-ocular pressure). Glaucoma is a condition associated with elevated intra-ocular pressure, hence the recommendation that caffeinated coffee is probably not a good idea for people with glaucoma.

Hope that helps

warmly
jb

October 10, 2008 9:44 AM  
OpenID BMC273 said...

and lets not forget the acidity - Dr. Majid Ali who I respect a lot and even Dr. Perricone said the major issue is the acidity of coffee! Thats why its best avoided.

October 27, 2008 8:42 AM  
Blogger Dr. Jonny Bowden said...

For those who are concerned with this, I recently interviewed some scientists who worked on the low-acid coffees that are now available on the market. You may have to look for them, but they do exist. From all reports they taste pretty good, though I've never sampled them

best
jb

October 27, 2008 8:55 AM  
Blogger Bryan kavanagh said...

I thought i knew a fair bit on the subject i was always saying coffee = ok if you enjoy it (just dont drink 20 cups/day) then i started drinking decaf most of the time so i wasnt heaping caffeine in to myself. . .someone on twitter said that it will raise cholesterol and they listed a number of other side effects that i'l be honest . . i wasnt aware of. .

whats your take on this?

thanks

follow be on twitter

twitter.com/bryan_kavanagh

December 23, 2008 6:01 AM  
Blogger Marc said...

So which is preferable?:

Over the course of a day; three cops of coffe or three
cups of green tea?

December 23, 2008 6:35 AM  
Blogger Marc said...

I prefer my coffee light, no sugar.

Shouldn't this neutralize the acidity of black coffee?

And as to the chemical substances sprayed on the beans, wouldn't the roasting process reduce their harmful effects?

December 23, 2008 6:44 AM  
Blogger Dr. Jonny Bowden said...

Bryan- If I listened to everything i heard on twitter i'd go nuts. I've never seen any research showing coffee raises cholesterol, and in any case, I'm one of the folks who believes we're WAY too concerned about cholesterol in the first place, but that's a long discussion

warmly
jb

December 23, 2008 10:09 AM  
Blogger Dr. Jonny Bowden said...

Marc-

coffee has a lot of antioxidants, but green tea is loaded with them, plus other components that seem to have an effect on metabolism and possibly some anti-cancer activity. I love coffee, but if you made me choose from a health perspective i'd pick the tea. Not cause coffee is bad mind you- but i think green tea wins the contest for health.

warmly
jb

December 23, 2008 10:10 AM  
Blogger Regats said...

Drinking just three cups of coffee a day decreases men's ability to father normal children, new research suggests.

Scientists at Bradford University and the University of California, Berkeley, have found increased genetic damage in the sperm of men who consume average amounts of caffeine. This could lead to unsuccessful pregnancies or to children being born with deformities or genetic disease.

Full article from Oct 2006 here:
http://www.independent.co.uk/life-style/health-and-wellbeing/health-news/modern-man-v-hamster-who-is-the-more-virile-422093.html

January 12, 2009 4:37 PM  

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