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cheesecake

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antioxidants might be counter productive
« on: October 15, 2015, 03:20:30 pm »
PARIS (AFP) - Antioxidant supplements that are supposed to boost health and slow ageing could in fact spur the spread of melanoma, the deadliest type of skin cancer, researchers said Wednesday.

The findings support recent studies showing that an over-the-counter vitamin and another drug containing antioxidants can cause a jump in the number of tumours and hike their aggressiveness.

In the new study, published in Nature, scientists in the United States demonstrated that human melanoma cells spread in some experiments about two months earlier in mice injected with antioxidant N-acetylcysteine (NAC) than in those that were not.


 
Antioxidants allow the body to prevent DNA damage from chemicals known as free radicals, and are produced naturally by humans and found in leafy greens, vegetables or fruit.

"Our results suggest that antioxidants promote disease progression, at least in melanoma, by promoting metastasis," the study says.

Metastasis is the spread of cancer from one part of the body to another, and leads to death in most people fighting the disease.

It appears antioxidants help cancer cells by fighting against a type of molecule in the human body that can attack or damage them as they metastasise, the scientists said.

The results have not yet been tested on people, but researchers suggest that cancer patients should consider not supplementing their diets with the oxidation-fighting substances.

The notion that antioxidants are good for you has gained such force that they have been given to cancer patients in clinical trials, said study co-author Sean Morrison, who heads a research institute at the University of Texas Southwestern in Dallas.

"Some of those trials had to be stopped because the patients getting the antioxidants were dying faster," he said.

In a previous study on mice, Swedish researchers said antioxidants, including vitamin E, caused a three-fold increase in the number of cancer tumours and led the rodents to die twice as fast.

Older studies put forth similar results for breast and prostate cancers.

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Re: antioxidants might be counter productive
« Reply #1 on: October 16, 2015, 02:29:48 am »
Everything also just eat in moderation jiu ok liao  :D
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judygal

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Re: antioxidants might be counter productive
« Reply #2 on: October 17, 2015, 05:48:57 am »
Everything also just eat in moderation jiu ok liao  :D

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Iridiot

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Re: antioxidants might be counter productive
« Reply #3 on: October 21, 2015, 04:10:17 pm »
Avoid supplements and get your antioxidants from the plants itself
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Piglet

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Re: antioxidants might be counter productive
« Reply #4 on: October 21, 2015, 05:03:55 pm »
just drink more green tea lor.

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beaverjuice

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Re: antioxidants might be counter productive
« Reply #5 on: October 29, 2015, 11:20:44 am »
generally agree ... eat lots of fruits and vege to get your anti-oxidants.

except that a tablet of Redoxan in the morning really helps boost your immunity ....
"A man who has depths in his shame meets his destiny and his delicate decisions upon paths which few ever reach."

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AudreyAnders

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Re: antioxidants might be counter productive
« Reply #6 on: June 26, 2017, 07:18:45 pm »
Antioxidants are known to be preventing the disease like heart disease, cancer, and other illness which are often the result of growing older. It also helps to lower the risk of cancer like lung cancer and breast cancer. One can go here to know more about types of cancer, their symptoms, treatments.

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beaverjuice

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"A man who has depths in his shame meets his destiny and his delicate decisions upon paths which few ever reach."

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hildian

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Re: antioxidants might be counter productive
« Reply #8 on: July 17, 2017, 04:35:45 pm »
Aiyah do my antioxidant test can Liao. I got machine that can do this. Whether u got eat or don't eat vegetables, talking is no use. Talk only, , u say , she say, he say, then who confirm? this is not accurate kekekek

Use my scanner and measure and let the machine do the reading of ur individual score more accurate.

Anyone up to this challenge? Haha :)