Mediterranean diet the best prevention against prostate cancer

Date:
March 9, 2023
Source:
University of South Australia
Summary:
New research shows that men who stick to a predominantly
Mediterranean diet are less likely to be diagnosed with prostate
cancer. This diet also improves their chances of recovery if they
have PC and are undergoing radiation treatment.


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FULL STORY ==========================================================================
Men who consume colourful fruits and vegetables on a regular basis are
less likely to be diagnosed with prostate cancer (PC), according to new research by University of South Australia scientists.


==========================================================================
A rainbow of foods rich in certain micronutrients helps to prevent
prostate cancer (PC) as well as speed up recovery among men who undergo radiation treatment for the disease.

The findings, from two studies published in the journal Cancers,highlight
the importance of a Mediterranean or Asian diet that includes these foods.

Researchers compared micronutrient plasma concentrations of prostate
cancer patients with a healthy control group, revealing low levels
of lutein, lycopene, alpha-carotene, and selenium in PC patients and
high levels of iron, sulphur, and calcium in the same group, relative
to controls.

Increased DNA damage after radiation exposure was also associated with
low lycopene and selenium in blood plasma.

Men with plasma concentrations lower than 0.25 micrograms (ug) per
millilitre (mL) for lycopene and/or lower than 120ug/L for selenium have
an increased risk of prostate cancer and are likely to be more sensitive
to the damaging effects of radiation.

Foods that are rich in lycopene include tomatoes, melons, papayas, grapes, peaches, watermelons, and cranberries. Selenium-rich foods include white
meat, fish, shellfish, eggs, and nuts.

Study co-author Dr Permal Deo says eating foods that are naturally rich
in lycopene and selenium is preferable to taking supplements, where the benefits are limited, according to previous studies.

"Our recommendation is to adopt a Mediterranean diet enlisting the
help of a dietician because people absorb nutrients in different ways, depending on the food, the digestive system, the person's genotype and
possibly their microbiome," Dr Deo says.

Prostate cancer remains one of the most common and fatal cancers in
men, but the nutritional deficiencies associated with it remain largely unknown, hence this study.

Other risk factors, such as ethnicity, family history and age have
previously been linked to prostate cancer.

"There is strong evidence that being overweight and tall increases the
risk of prostate cancer. Diets high in dairy products and low in vitamin
E may also increase the risk but the evidence is less clear." Vitamin E
is found in plant-based oils, nuts, seeds, fruits, and vegetables.

The research is the first to evaluate plasma concentrations of
micronutrients and trace elements with respect to prostate cancer in
the South Australian population.

* RELATED_TOPICS
o Health_&_Medicine
# Men's_Health # Prostate_Cancer # Urology #
Prostate_Health
o Plants_&_Animals
# Food # Food_and_Agriculture # Mice #
Agriculture_and_Food
* RELATED_TERMS
o Prostate_cancer o Mediterranean_diet o Malignant_melanoma
o Stomach_cancer o Raw_food_diet o Atkins_Diet o Dieting
o Healthy_diet

========================================================================== Story Source: Materials provided by University_of_South_Australia. Note: Content may be edited for style and length.


========================================================================== Journal Reference:
1. Varinderpal S. Dhillon, Permal Deo, Michael Fenech. Plasma
Micronutrient
Profile of Prostate Cancer Cases Is Altered Relative to Healthy
Controls- -Results of a Pilot Study in South Australia. Cancers,
2022; 15 (1): 77 DOI: 10.3390/cancers15010077 ==========================================================================

Link to news story: https://www.sciencedaily.com/releases/2023/03/230309101400.htm

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