The scientists compared the concentration of micronutrients in the plasma of prostate cancer patients and healthy people. The former appeared to contain lower levels of lutein, lycopene, alpha-carotene and selenium, as well as higher levels of iron, sulfur and calcium. If patients had low levels of lycopene and selenium in their blood plasma, more DNA damage occurred with radiation therapy.
For example, foods rich in lycopene include tomatoes, cantaloupe, papaya, grapes, peaches, watermelon, and cranberries. Selenium-rich foods include poultry, fish, shellfish, eggs, and nuts.
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