New studies show Tea and multivitamins may = younger age

SP33Demon

Lifer
Jun 22, 2001
27,929
142
106
Tea consumers may have younger biological age
By Stephen Daniells, 25-Aug-2009
Related topics: Botanicals, Research, Antioxidants, carotenoids, Phytochemicals, plant extracts

The cells of regular tea drinkers may have a younger biological age than cells from non-drinkers, according to new research from China.

Researchers from the Chinese University of Hong Kong looked at the length of telomeres, DNA sequences at the end of chromosomes that shorten as cells replicate and age.

The ageing and lifespan of normal, healthy cells are linked to the so-called telomerase shortening mechanism, which limits cells to a fixed number of divisions. During cell replication, the telomeres function by ensuring the cell's chromosomes do not fuse with each other or rearrange, which can lead to cancer. Elizabeth Blackburn, a telomere pioneer at the University of California San Francisco, likened telomeres to the ends of shoelaces, without which the lace would unravel.

With each replication the telomeres shorten, and when the telomeres are totally consumed, the cells are destroyed (apoptosis). Previous studies have also reported that telomeres are highly susceptible to oxidative stress. Some experts have noted that telomere length may be a marker of biological ageing.

"The antioxidative properties of tea and its constituent nutrients may protect telomeres from oxidative damage in the normal ageing process," wrote the authors in the British Journal of Nutrition.

The Hong Kong-based researchers, led by Ruth Chan, noted that the telomeres of people who drank an average of three cups of tea per day were about 4.6 kilobases longer than people who drank an average of a quarter of a cup a day.

This average difference in the telomere length corresponds to ?approximately a difference of 5 years of life?, wrote the researchers, led by Ruth Chan.


Dr Chan told NutraIngredients that "Chinese tea" in their study refers to both black and green tea, but added: "Our data showed that majority of Chinese tea consumed by our subjects were of green tea".

Tea break

Green tea contains between 30 and 40 per cent of water-extractable polyphenols, while black tea (green tea that has been oxidized by fermentation) contains between 3 and 10 per cent.

The four primary polyphenols found in fresh tealeaves are epigallocatechin gallate (EGCG), epigallocatechin, epicatechin gallate, and epicatechin.

Study details

The study?s findings are based on the telomere lengths of 976 Chinese men and 1,030 Chinese women aged over 65. The participants? dietary habits were evaluated using a food frequency questionnaire.

Overall, only tea consumption was associated with telomere length. The highest intakes, three cups or 750 millilitres per day, was associated with significantly longer telomere lengths, compared to people who drank 70 millilitres per day or less, said the researchers.

Multivitamins, too?

Recently, researchers from the US National Institute of Environmental Health Sciences reported that telomere length was longer in regular multivitamin users in their cohort of 586 women aged between 35 and 74.

Writing in the American Journal of Clinical Nutrition, the US-based researchers noted that theirs was the ?first epidemiologic study of multivitamin use and telomere length.

?Regular multivitamin users tend to follow a healthy lifestyle and have a higher intake of micronutrients, which sometimes makes it difficult to interpret epidemiologic observations on multivitamin use,? they said.

Source: British Journal of Nutrition
Published online ahead of print, doi:10.1017/S0007114509991383
"Chinese tea consumption is associated with longer telomere length in elderly Chinese men"
Authors: R. Chan, J. Woo, E. Suen, J. Leung, N. Tang

Text

More scientific evidence that indicates tea and vitamins extend your life, where are the people who say they don't do anything? As more studies are conducted, I think we'll find that taking multi's will increase lifespan beyond a shadow of a doubt. What do you think?
 

Gibsons

Lifer
Aug 14, 2001
12,530
35
91
Originally posted by: SP33Demon
Tea consumers may have younger biological age
By Stephen Daniells, 25-Aug-2009
Related topics: Botanicals, Research, Antioxidants, carotenoids, Phytochemicals, plant extracts

The cells of regular tea drinkers may have a younger biological age than cells from non-drinkers, according to new research from China.

Researchers from the Chinese University of Hong Kong looked at the length of telomeres, DNA sequences at the end of chromosomes that shorten as cells replicate and age.

The ageing and lifespan of normal, healthy cells are linked to the so-called telomerase shortening mechanism, which limits cells to a fixed number of divisions. During cell replication, the telomeres function by ensuring the cell's chromosomes do not fuse with each other or rearrange, which can lead to cancer. Elizabeth Blackburn, a telomere pioneer at the University of California San Francisco, likened telomeres to the ends of shoelaces, without which the lace would unravel.

With each replication the telomeres shorten, and when the telomeres are totally consumed, the cells are destroyed (apoptosis). Previous studies have also reported that telomeres are highly susceptible to oxidative stress. Some experts have noted that telomere length may be a marker of biological ageing.

"The antioxidative properties of tea and its constituent nutrients may protect telomeres from oxidative damage in the normal ageing process," wrote the authors in the British Journal of Nutrition.

The Hong Kong-based researchers, led by Ruth Chan, noted that the telomeres of people who drank an average of three cups of tea per day were about 4.6 kilobases longer than people who drank an average of a quarter of a cup a day.

This average difference in the telomere length corresponds to ?approximately a difference of 5 years of life?, wrote the researchers, led by Ruth Chan.


Dr Chan told NutraIngredients that "Chinese tea" in their study refers to both black and green tea, but added: "Our data showed that majority of Chinese tea consumed by our subjects were of green tea".

Tea break

Green tea contains between 30 and 40 per cent of water-extractable polyphenols, while black tea (green tea that has been oxidized by fermentation) contains between 3 and 10 per cent.

The four primary polyphenols found in fresh tealeaves are epigallocatechin gallate (EGCG), epigallocatechin, epicatechin gallate, and epicatechin.

Study details

The study?s findings are based on the telomere lengths of 976 Chinese men and 1,030 Chinese women aged over 65. The participants? dietary habits were evaluated using a food frequency questionnaire.

Overall, only tea consumption was associated with telomere length. The highest intakes, three cups or 750 millilitres per day, was associated with significantly longer telomere lengths, compared to people who drank 70 millilitres per day or less, said the researchers.

Multivitamins, too?

Recently, researchers from the US National Institute of Environmental Health Sciences reported that telomere length was longer in regular multivitamin users in their cohort of 586 women aged between 35 and 74.

Writing in the American Journal of Clinical Nutrition, the US-based researchers noted that theirs was the ?first epidemiologic study of multivitamin use and telomere length.

?Regular multivitamin users tend to follow a healthy lifestyle and have a higher intake of micronutrients, which sometimes makes it difficult to interpret epidemiologic observations on multivitamin use,? they said.

Source: British Journal of Nutrition
Published online ahead of print, doi:10.1017/S0007114509991383
"Chinese tea consumption is associated with longer telomere length in elderly Chinese men"
Authors: R. Chan, J. Woo, E. Suen, J. Leung, N. Tang

Text

More scientific evidence that indicates tea and vitamins extend your life, where are the people who say they don't do anything? As more studies are conducted, I think we'll find that taking multi's will increase lifespan beyond a shadow of a doubt. What do you think?

beyond a shadow of a doubt?

?Regular multivitamin users tend to follow a healthy lifestyle and have a higher intake of micronutrients, which sometimes makes it difficult to interpret epidemiologic observations on multivitamin use,? they said.

These are both case control studies, so they can establish a correlation, but not causation. It's informative, but there's obviously a need for more research, in particular if they can find a direct molecular mechanism by which either of these influence telomere length.
 

SP33Demon

Lifer
Jun 22, 2001
27,929
142
106
Originally posted by: Gibsons
beyond a shadow of a doubt?

?Regular multivitamin users tend to follow a healthy lifestyle and have a higher intake of micronutrients, which sometimes makes it difficult to interpret epidemiologic observations on multivitamin use,? they said.

These are both case control studies, so they can establish a correlation, but not causation. It's informative, but there's obviously a need for more research, in particular if they can find a direct molecular mechanism by which either of these influence telomere length.

I'm saying that I think future studies will show beyond a shadow of a doubt. Like you said, I agree that this shows a strong correlation but not causation. I just find it humorous that people will keep denouncing vitamins as worthless when the facts are right in front of them.
 

Regs

Lifer
Aug 9, 2002
16,665
21
81
I also here if you don't drink 8 glasses of water each day that you should take a garden hose and shove it up your....
 

surfsatwerk

Lifer
Mar 6, 2008
10,110
5
81
Originally posted by: SP33Demon
Originally posted by: Gibsons
beyond a shadow of a doubt?

?Regular multivitamin users tend to follow a healthy lifestyle and have a higher intake of micronutrients, which sometimes makes it difficult to interpret epidemiologic observations on multivitamin use,? they said.

These are both case control studies, so they can establish a correlation, but not causation. It's informative, but there's obviously a need for more research, in particular if they can find a direct molecular mechanism by which either of these influence telomere length.

I'm saying that I think future studies will show beyond a shadow of a doubt. Like you said, I agree that this shows a strong correlation but not causation. I just find it humorous that people will keep denouncing vitamins as worthless when the facts are right in front of them.

I wouldn't call them "facts". But it would be ignorant to claim that vitamins have no value in light of such evidence.
 

DrPizza

Administrator Elite Member Goat Whisperer
Mar 5, 2001
49,606
166
111
www.slatebrookfarm.com
I'd be willing to bet it's more correlation than causation. As the article said, people who take vitamins are generally more concerned about their health. I think that translates more directly toward people who take vitamins typically aren't the ones going to Taco Bell for lunch and McD's for dinner. But, people are looking for the quick fix - "I want to be uber-healthy for the least amount of effort."
 

Drakkon

Diamond Member
Aug 14, 2001
8,401
1
0
Do you work for Flintstones chewables or something? All this shows is that by taking vitamins you are more inclined to lead a healthier life. Imagine that...you want to be healthy so you take vitamins...but in addition you eat good and exercise...yep it was the vitamins that triggered it :roll:. I think the more interesting side of the study is the continuing praise tea gets for its benefits.
 

lyssword

Diamond Member
Dec 15, 2005
5,761
25
91
I drink tea all the time, and I look 10 years younger than my real age, 23 :laugh:
 

ElFenix

Elite Member
Super Moderator
Mar 20, 2000
102,425
8,388
126
so does this apply to ice tea? i drink about a half gallon of that stuff every day.
 

KB

Diamond Member
Nov 8, 1999
5,401
386
126
Originally posted by: SP33Demon
Originally posted by: Gibsons
beyond a shadow of a doubt?

?Regular multivitamin users tend to follow a healthy lifestyle and have a higher intake of micronutrients, which sometimes makes it difficult to interpret epidemiologic observations on multivitamin use,? they said.

These are both case control studies, so they can establish a correlation, but not causation. It's informative, but there's obviously a need for more research, in particular if they can find a direct molecular mechanism by which either of these influence telomere length.

I'm saying that I think future studies will show beyond a shadow of a doubt. Like you said, I agree that this shows a strong correlation but not causation. I just find it humorous that people will keep denouncing vitamins as worthless when the facts are right in front of them.

People don't talk about vitamins being worthless except in the occurrence where you are getting 100% of your daily vitamin C from food and you take a C vitamin so your body pisses out the remaining amount it can't use. You should be eating a diet that gives you the vitamins you need, and not need a vitamin supplement.

I don't doubt the benefits of Tea on the body; however being a Chinese study and China being a huge exporter of Tea, they may be willing to draw larger conclusions than the rest of us.
 

PottedMeat

Lifer
Apr 17, 2002
12,365
475
126
Originally posted by: Drakkon
Do you work for Flintstones chewables or something? All this shows is that by taking vitamins you are more inclined to lead a healthier life. Imagine that...you want to be healthy so you take vitamins...but in addition you eat good and exercise...yep it was the vitamins that triggered it :roll:. I think the more interesting side of the study is the continuing praise tea gets for its benefits.

Where the fuck is my Flintstones Chewable Morphine?!?!



...oh and breaking news, people who drink tea and/or take multivitamins are more likely to care about their health and eat better/exercise.
 

Phokus

Lifer
Nov 20, 1999
22,995
776
126
Originally posted by: DrPizza
I'd be willing to bet it's more correlation than causation. As the article said, people who take vitamins are generally more concerned about their health. I think that translates more directly toward people who take vitamins typically aren't the ones going to Taco Bell for lunch and McD's for dinner. But, people are looking for the quick fix - "I want to be uber-healthy for the least amount of effort."

sooooooooo then we should just exercise, cut out the junk food, drink tea, take multivitamins until we know for sure what's the cause of the slowdown of aging
 

Born2bwire

Diamond Member
Oct 28, 2005
9,840
6
71
Mmmmmmmmmmmmm... Chinese tea. The tea here is sooooo good. I don't want to think about the cost and difficulty of finding this stuff in the US.
 

Baked

Lifer
Dec 28, 2004
36,152
17
81
Originally posted by: nakedfrog
Coffee is also rich in anti-oxidants.

Too bad all the beef white people eat every day over wrote the benefit anti-oxidants in coffee by 10 fold.
 

Chaotic42

Lifer
Jun 15, 2001
33,929
1,098
126
Originally posted by: Baked
Too bad all the beef white people eat every day over wrote the benefit anti-oxidants in coffee by 10 fold.

Racist. Juicy, delicious, and succulent, but racist.
 

magomago

Lifer
Sep 28, 2002
10,973
14
76
In other news: eating healthily and getting vitamins and minerals may extend your life!

Doesn't directly apply to this thread, but with the "New Studies show BLA BLA may extend life" coming out all the time, I can't help but feel that if we simply ate healthy in general, avoided all the bad crap out there, then we would all live much longer. You don't need to get 500mL of Pomegranite Juice everday, you don't need some special kind of berry in a certain serving...just get a mix of them all and you'll be fine!
 

destrekor

Lifer
Nov 18, 2005
28,799
359
126
Originally posted by: magomago
In other news: eating healthily and getting vitamins and minerals may extend your life!

Doesn't directly apply to this thread, but with the "New Studies show BLA BLA may extend life" coming out all the time, I can't help but feel that if we simply ate healthy in general, avoided all the bad crap out there, then we would all live much longer. You don't need to get 500mL of Pomegranite Juice everday, you don't need some special kind of berry in a certain serving...just get a mix of them all and you'll be fine!

you don't even necessarily need to eat "healthy". You can eat just about whatever you want, as long as you manage the intake.

What needs to happen, is you need to ensure you get enough of the good stuff, and take effort to increase output so that the "bad" stuff coming in isn't grossly excessive.
The body will manage, our body is extremely capable of managing a wide range of nutritional input, as long as you aim to take care of the body.
Increase garbage in? Make sure you increase energy output.
Don't eat a lot or don't drink a lot of water on some days? Don't exert yourself.

A lot of it makes sense. Actually, it's too damn easy. The issue, however, is modern developed society is full of lazy trash, in which simply their nutritional diet is a worthless part of the picture, however everyone takes these examples and all of a sudden diet is to blame. It isn't.

Granted, I have a high metabolism, but even then, you just need to learn your metabolism, and know how to manage your diet accordingly. I eat a shit ton of fatty foods, I love red meat, I love junk food.

Times when I'm not all that active? I actually naturally don't eat a lot.
I also move a lot without being active - I can't sit still.

However, without going into a ton of discussion about health, there's a few more points:
watch protein intake - if your very active, it's a key nutritional component.
carb intake - don't need to count carbs/calories, but just learn the amount of energy use necessary to burn extra carbs. Can't burn all of them through exercise, because the body needs carbs anyhow to just function. So don't go crazy with the exercise, some people don't realize this. Over-exertion just to drop a buildup of calories can lead to more damage on its own. But if you have a lot of fat, that will be burned up too.
A big bonus for this, is work out in the morning if possible. And eat a breakfast of complex carbs - body can't quickly digest unrefined carbs to be used immediately as fuel, so the body will resort to fat stores, and you still keep the carbs to be used for the body naturally in the day too (glucose is critical to body operation - cut the demand for fake sugars because they fuck with the body more than real sugar. just use the extra energy, that's the point here).
salt - watch the sodium intake, but if you are active, you have a lot of wiggle room because the body won't take in a great excess of electrolytes but you will be losing them in sweat.
fat - mind the labels, big time. Saturated fats aren't evil. Laziness is. The body will burn saturated fat, but in the end, that is all saturated fat has to offer - energy. Trans-fatty acids are equally as worthless, and iirc, are even harder for the body to utilize. (trans-fatty acid is a saturated fat, btw, but labeled seperately)
However, like I said, mind the labels. Most peanut butter has 18g of fat per serving, yet only lists around 3g of fat as saturated (and no trans). What is the rest of the fat, you ask? Often a lot of labels don't show it, and it pisses me off, just doesn't make sense. Unlabeled fat is often unsaturated fat, like mono- and poly-unsaturated fatty acids. These are actually GOOD. Really good. They are most often some form of Omega 3 or Omega 6 fatty acids. Not all are referred to as "essential fatty acids", but even if its not essential, it's not bad to take in. They have good uses in the body, and taking in a lot of them can have some good effects. Some Essential Fatty Acids, for example, can help manage LDL and HDL levels. They have caloric content as well, and because your body won't always use the fatty acids that you put into it for natural functioning, it will be stored. Again, mind the energy in - energy out process, and you'll be fine.

On that note, advertising has really screwed the pooch in terms of cholesterol. First, LDL and HDL aren't even cholesterol. Trigs are more complicated, and won't get into that. But LDL and HDL are simply cholesterol transports, think of them like ships or wrappers for the cholesterol that is locked up inside. Cholesterol, like all steroids and sterols, is very important. Having less structures transporting cholesterol to the sites it is needed is important, because simply more will be stuffed in the fewer transports. LDL is not efficient, and can lead to plaque formation because it tends to get bunched up when in high numbers. HDL is very effective at its job, bringing the cholesterol back from the cells it was delivered too and is far less likely to bunch up.

Now, it is much more complex than that. Saturated fats and high intake of refined sugar can increase serum cholesterol levels, and plant sterols can decrease serum cholesterol levels. Fatty acids can help too. Watching only the "cholesterol" intake is rather worthless, because the body won't just throw extra cholesterol into the blood just because you consumed more cholesterol. The body actually makes all the cholesterol it needs, and it won't go about increasing the total cholesterol level in the body because it was given extra. But, total cholesterol content in the body is different from in the blood. Diet can change cholesterol levels in the blood, because the body reacts to certain things. iirc, increased insulin production leads to more cholesterol in the blood. Not exactly sure what evolutionary purpose more cholesterol in the blood has in connection to more insulin... but then again, the body evolved out of nature, and it worked real well with what was readily and not readily available in nature - but we aren't quite "natural" any more, so the body has some aspects that don't appear to be good ideas... but then again, giving the body extreme excesses in anything dietary isn't a good idea anyway. We're just a stupid species like that - at least, we of the species in developed areas.

damn i rambled, and didn't even go all that detailed. ugh
 

Crono

Lifer
Aug 8, 2001
23,720
1,501
136
Originally posted by: Chaotic42
Green and white tea rock. Why would you not drink them anyway?

This. Forget the study, I drink tea because I like it.
 

DangerAardvark

Diamond Member
Oct 22, 2004
7,581
0
0
In the analysis of micronutrients, higher intakes of vitamins C and E from foods were each associated with longer telomeres, even after adjustment for multivitamin use. Furthermore, intakes of both nutrients were associated with telomere length among women who did not take multivitamins.

The study basically consisted of filling out a questionnaire on your eating habits and then giving a DNA sample. As was stated before, this was a case control study, and can only be used to show a statistical correlation.
 
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