Breast Cancer Patients Should Avoid High-Fat Dairy Products

Tuna

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Patients who have suffered from breast cancer should avoid consuming high-fat dairy products in order to improve their long-term survival.

The study, carried out by Kaiser Permanente researchers and published in the Journal of the National Cancer Institute, is one of the first of its kind to identify a link between high fat dairy consumption and poorer breast cancer survival.

Other studies have found associations between certain eating habits and breast cancer risk. Researchers from Michigan State University reported in 2010 that a high-fat diet during puberty can increase breast cancer risk later in life, even among females who never become overweight.

Many dairy products contain elevated estrogen levels - high exposure to estrogen may increase the likelihood of breast cancer, according to previous research.

Estrogen levels are highest in fatty dairy products, compared to low-fat dairy.

The investigators analyzed a group of women who were diagnosed with early-stage, invasive breast cancer between 1997 and 2000. Most of the them (83 percent) were from Kaiser Permanente's Northern California region.

According to the lead author of the study, Candyce H. Kroenke, ScD, MPH, patients who had a high-fat dairy diet had "higher breast cancer mortality as well as higher all-cause mortality and higher non-breast cancer mortality."

Kroenke added:

"Specifically, women consuming one or more servings per day of high-fat dairy had a 64 percent higher risk of dying from any cause and a 49 percent increased risk of dying from their breast cancer during the follow-up period."

High fat dairy products include:

Mature and/or hard cheese

Cream

Custard

Evaporated milk

Ice cream

Pudding

Whole milk

Yogurt (made from full fat milk)

The women overall consumed a lot of low-fat milk and butter and limited amounts of low-fat desserts and cheeses. Low-fat dairy intake was generally higher than high-fat dairy intake (0.8 servings per day versus 0.5 servings per day).

Senior author of the study, Bette J. Caan, DrPH, research scientist with the Kaiser Permanente Division of Research, said: "High-fat dairy is generally not recommended as part of a healthy diet. Switching to low-fat dairy is an easy thing to modify."

1,893 women participated in the study two years after they were diagnosed with cancer. They answered a food-frequency questionnaire, 1,513 of them answered a follow up questionnaire 6 years later.

They asked the women how often they ate dairy foods such as milk, cheese, yogurt etc., as well as the portion sizes.

349 of the women in the study had a recurrence of breast cancer, of whom 189 died.

The investigators found that a high-fat dairy diet was linked to a greater breast cancer death rate - no association was found in low-fat dairy products though.

Dr. Kutner concluded:

"Women have been clamoring for this type of information. They're asking us, 'Tell me what I should eat?' With this information, we can be more specific about recommending low-fat dairy products."

http://www.medicalnewstoday.com/articles/257782.php

 
Quote:
1,893 women participated in the study two years after they were diagnosed with cancer. They answered a food-frequency questionnaire


Dr Kutner:" Zo mevrouwtje wat heeft u zoal gegeten de laatste twee jaar? Begin maar met het ontbijt 730 dagen geleden dan lunch enz tot je bij vandaag aangekomen bent"

Patient: eeeeeeuh......

Quote:
, 1,513 of them answered a follow up questionnaire 6 years later


Dr Kutner: Nou zeg het maar wat heb je de 2190 dagen gegeten ? Begin maar bij het ontbijt 6 jaar geleden en dan alles t/m vandaag. O ja ook even zeggen of het low fat was of niet. U hoeft niet te zeggen welk merk het was hoor"

Patient: eeeeeuh??

Dr Kutner: "Omdat wij al weten dat vette zuivel slecht voor je is kunnen wij aannemen dat al die mensen die inmiddels overleden zijn allemaal vette zuivel aten. Anders waren ze niet overleden dat is duidelijk"

 
Als ik zelf troep melk drink ga ik van binnen flink naar de klote.

Als het onderzoek niet over goede rauwe melk producten gaat is het niet interessant.

@Tuna: waarom heb je dit bericht geplaatst? Je hebt er namelijk geen vraag of eigen mening bij staan.

 
Beste Tuna,

Duidelijk wederom een voorbeeld van een eenzijdig belicht onderzoek waarin de achtergronden niet goed uitgewerkt worden !

Als je in het geval van kanker niet nadenkt en je voedingspatroon niet blijvend positief bijstelt, dan is het risico van herval groter ten opzichte van mensen die dit wel doen.

Oorzaken van herval :

bewerkte geraffineerde voeding, dus inname van te suikerrijke voeding (witte kristalsuiker en glucose/fructosestroop) , bindmiddelen van de melk op basis genetisch gemanipuleerde tarwe of maïs, alle E-nummers en het proces van pasteurisatie van de melk.

 

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