(w/Link) Vitamin pills may cut effects of cancer drugs

[Guest guest]

FWIW: Chemotherapy Interactions with Dietary Supplements

 

http://www.evitamins.com/healthnotes.asp?ContentID=1103000#Reference-List

 

There are about 60 scientific references there that might be worth

checking too.

 

best,

navegante

 

, Desert Sky

<desertskynm wrote:

>

> OOOPs.. Forgot the link-

http://www.telegraph.co.uk/news/2039508/%27Vitamin-pills-may-cut-effects-of-canc\

er-drugs%27.html

>

>

> Desert Sky <desertskynm wrote:

> Vitamin pills may cut effects of cancer drugs Last Updated:

11:10PM BST 27/05/2008

>

> Vitamin supplements could reduce the effectiveness of cancer

treatments, experts have warned. Chemotherapy and radiation

treatment kill tumours by inducing the creation of free radicals –

destructive molecules which damage DNA and proteins.

> Antioxidants mop up free radicals, which is generally beneficial

to health. But supplements such as vitamin E and beta carotene may

also reduce the potency of anti-cancer treatments, according to US

researchers.

> Dr Brian Lawenda, from the Naval Medical Centre in San Diego,

California, reviewed evidence from a number of trials.

[...]

[Guest guest]

This kind of thing usually turns out to be bull.

 

, Desert Sky <desertskynm

wrote:

>

> OOOPs.. Forgot the link-

http://www.telegraph.co.uk/news/2039508/%27Vitamin-pills-may-cut-effects-of-canc\

er-drugs%27.html

>

>

> Desert Sky <desertskynm wrote:

> Vitamin pills may cut effects of cancer drugs Last Updated: 11:10PM BST

27/05/2008

>

> Vitamin supplements could reduce the effectiveness of cancer treatments,

experts have warned. Chemotherapy and radiation treatment kill tumours by

inducing the creation of free radicals – destructive molecules which damage DNA

and proteins.

> Antioxidants mop up free radicals, which is generally beneficial to health.

But supplements such as vitamin E and beta carotene may also reduce the potency

of anti-cancer treatments, according to US researchers.

> Dr Brian Lawenda, from the Naval Medical Centre in San Diego, California,

reviewed evidence from a number of trials.

>

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>

>

>

> Of three randomly controlled radiotherapy studies, one investigation showed

that antioxidant supplements were associated with lower survival rates.

> No chemotherapy trials reported lower survival rates for patients on

antioxidants, but the researchers said none of the studies was sufficiently

large to spot such differences.

> The scientists wrote in the Journal of the National Cancer Institute:

" Despite some intriguing studies that have suggested the benefit of adjunctive

antioxidant treatments in cancer patients, the totality of the evidence is

equivocal at best and leaves us with serious concerns about the potential for

harm. "

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