The American Cancer Society (ACS) has recently updated its cancer prevention guidelines, published on the 9th June 2020.
The guidelines highlight the importance of 4 key points in reducing the risk of developing cancer, which are:
- Achieve and maintain a healthy body weight throughout life
- Be physically active
- Follow a healthy eating pattern at all ages
- Best to avoid alcohol consumption
Specific recommendations for dietary and lifestyle habits:
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Previous Guidelines
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New Guidelines
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Body weight
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Keep body weight within the healthy range and avoid weight gain in adulthood.
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Physical Activity
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- Adults should engage in at least 150 minutes of moderate-intensity or 75 minutes of vigorous-intensity activity each week.
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- Adults should engage in 150-300 minutes of moderate-intensity or 75-150 minutes of vigorous-intensity physical activity per week; achieving or exceeding the upper limit of 300 minutes is optimal.
- Children and adolescents should engage in at least 1 hr of moderate- or vigorous-intensity activity each day.
- Limit sedentary behavior, such as prolonged sitting, lying down, and watching television, and other forms of screen-based entertainment.
(Moderate evidence: increases risk of colon, endometrial, and lung cancers.)
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Diet
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- Eat at least 2.5 servings of fruits and vegetables everyday.
- Limit consumption of processed and red meat.
- Choose whole grains instead of refined grain products.
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- Eat at least 2.5-3 cups of vegetables and 1.5-2 cups of fruits every day.
- Encourage a variety of whole fruits, vegetables, with a variety of colours—dark green, red, orange, yellow, purple etc; fibre-rich legumes (beans and peas), and whole grains.
- Limit/Avoid consumption of processed and red meat.
- Limit sugar-sweetened beverages, highly processed foods with added sugar/fats/sodium, and refined grain products.
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Alcohol
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- Limit consumption of alcohol to no more than 1 drink/day for women or 2 drink/day for men.
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- Best to avoid consumption of alcohol.
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The full guidelines can be found in: https://acsjournals.onlinelibrary.wiley.com/doi/full/10.3322/caac.21591