Healthy lifestyle against cancer
Three lifestyle factors reduce cancer risks by 61%
Svetlana Maslova, Hi-tech+
All criteria relate to nutrition and physical activity, which again proves that one of the main causes of mortality in the world can be defeated by simple habits. Most importantly, the effect has been proven among the elderly, who are particularly prone to the development of cancer against the background of aging.
The study involved 2,157 men and women aged 70 years and older. The researchers sought to assess how dietary supplements and physical activity would affect cancer risks over three years. For example, new treatments are aimed at blocking several pathways of tumor development by combining several agents. For this reason, researchers began to study the same concept, but in cancer prevention.
Article by Bischoff-Ferrari et al. Combined Vitamin D, Omega-3 Fatty Acids, and a Simple Home Exercise Program May Reduce Cancer Risk Among Active Adults Aged 70 and Older: A Randomized Clinical Trial published in the journal Frontiers in Aging – VM.
Observations showed that the combination of vitamin D, omega-3 and exercise reduced the overall risk of tumor development by 61% (more than 2 times – VM), writes EurekAlert.
And although each of these factors individually showed little effectiveness in cancer prevention, the greatest result was achieved with a combination of all three conditions, the authors emphasized. The volunteers took 2,000 IU of vitamin D daily, 1g of omega-3 three times a week, and also performed simple strength exercises that could be done at home.
It is known from previous studies that vitamin D inhibits the growth of cancer cells, omega-3 inhibits the transformation of normal cells into cancer cells, and exercise increases immunity and reduces the level of inflammation in the body. Meanwhile, until now there have been no reliable clinical studies proving their effectiveness in combination.
"This is the first placebo-controlled randomized trial that proves the benefits of three factors for the prevention of invasive cancer among people over 70 years old," commented the first author of the article, Heike Bischoff—Ferrari from University Clinic of Zurich.
Currently, in middle-aged and older people, preventive efforts are mainly limited to screenings, but the new strategy can significantly increase the effect. Now the scientists plan to continue the study to confirm the benefits for a longer period.
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