The overall message of the report, Policy and Action for Cancer Prevention, published today by World Cancer Research Fund (WCRF) and American Institute for Cancer Research (AICR), is that all sections of society need to make public health, and cancer prevention in particular, a higher priority.
It includes estimates on the proportion of many different types of cancer that could be prevented through diet, physical activity and weight. In South America, about one third of the most common cancers could be prevented. That figure does not include smoking, which alone accounts for about a third of cancers.
Different Policy Recommendations for Different Groups
As part of the evidence-based report, thought to be the most comprehensive ever published on the subject, two independent teams of scientists systematically examined the evidence for how policy changes can influence the behaviors that affect cancer risk.
Following this, a panel of 23 world-renowned experts made a total of 48 recommendations, divided between nine different but often overlapping sectors of society -- called "actor groups" in the report. These actor groups are: multinational bodies; civil society organizations; government; industry; media; schools; workplaces and institutions; health and other professionals; and people.
Among the recommendations:
- Governments should require widespread walking and cycling routes to encourage physical activity.
- Governments should encourage healthy food and discourage unhealthy food through legislation and pricing.
- Industry should give a higher priority for goods and services that encourage people to be active, particularly young people.
- The food and drinks industry should make public health an explicit priority at all stages of production.
- Schools should actively encourage physical activity and provide healthy food for children.
- Schools, workplaces and institutions should not have unhealthy foods available in vending machines.
- Health professionals should take a lead in giving the public information about public health, including cancer prevention.
- People should use independent nutrition guides and food labels to make sure the food they buy for their family is healthy.
Professor Sir Michael Marmot, Chair of the WCRF/AICR Panel, said, "When people think of policy reports, they often think they only speak to governments. But the evidence shows that when it comes to cancer prevention, all groups in society have a vital role to play. "
Panel member Tim Byers, M.D., MPH of the University of Colorado at Denver said, "Estimating cancer preventability is a very complex prospect that involves making a number of assumptions. Having said that, the figures in this report are as good an estimate it is possible to achieve about the proportion of cancer cases that could be prevented through healthy diet, regular physical activity and maintaining a healthy weight."
"On a global level every year, there are millions of cancer cases that could have been prevented. This is why we need to act now before the situation gets even worse."
The report includes preventability for Brazil (considered a middle-income country), as well as for the U.S. and U.K. (considered a high-income countries), and China, considered a low-income countries. The global preventability estimate ranges between one quarter and one third of all cancers.
Policy Report Represents the Next Step
The new WCRF/AICR Policy Report is a companion document to the expert report Food, Nutrition, Physical Activity and the Prevention of Cancer: A Global Perspective, which was published by AICR and WCRF in November of 2007. That expert report evaluated the scientific evidence from over 7000 studies and came away with 10 recommendations for lowering cancer risk.
"The 2007 expert report identified the specific choices that people can make to protect themselves against cancer, but actually making those healthy choices remains difficult for many people," said policy report panel member Ricardo Uauy, M.D., Ph.D., of the Instituto de Nutricion y Technologia de los Alimentos in Santiago, Chile. "The policy report takes the next step -- it identifies opportunities for us as a society to make those choices easier."
PERCENTAGE OF CANCERS THAT COULD BE PREVENTED VIA HEALTHY DIET,
REGULAR PHYSICAL ACTIVITY AND HEALTHY WEIGHT
Brazil US UK China
Endometrium 52 70 56 34
(lining of the uterus)
Esophagus 60 69 75 44
Mouth, pharynx & larynx 63 63 67 44
Stomach 41 47 45 33
Colon 37 45 43 17
Pancreas 34 39 41 14
Breast 28 38 42 20
Lung 36 36 33 38
Kidney 13 24 19 8
Gallbladder 10 21 16 6
Liver 6 15 17 6
Prostate n/a 11 20 n/a
These 12 cancers
combined 30 34 39 27
All cancers 19 24 26 20
The American Institute for Cancer Research (AICR) is the cancer charity that fosters research on the relationship of nutrition, physical activity and weight management to cancer risk, interprets the scientific literature and educates the public about the results. It has contributed more than $86 million for innovative research conducted at universities, hospitals and research centers across the country. AICR has published two landmark reports that interpret the accumulated research in the field and is committed to a process of continuous review. AICR also provides a wide range of educational programs to help millions of Americans learn to make dietary changes for lower cancer risk. Its award-winning New American Plate program is presented in brochures, seminars and on its Web site, www.aicr.org. AICR is a member of the World Cancer Research Fund International.
Source: American Institute for Cancer Research
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