How to prevent cancer at best


How to prevent cancer at best - is considered that 40% of cancers result from exposure to risk factors related to our lifestyles and behaviors; four in ten cancers are therefore preventable. See our tips to help you act on your individual risk of developing cancer.

Preventing cancer is to give you the best possible chance to limit your risk of developing it. You can not control all the factors that may cause cancer - the 'zero risk' does not exist, even with a lifestyle consistent with all the recommendations - but you can act on some of them preserving your health daily.

How to prevent cancer at best

The four major cancer risk factors are, in order, tobacco, alcohol, unhealthy diets, lack of physical activity.


Tobacco tops of all cancer risk factors and is the leading cause of preventable death: the annual number of tobacco-related deaths in France is estimated at 78 000, 47 000 cancer deaths.

Stopping smoking is always beneficial to health, regardless of the amount consumed and the duration of consumption. The more stops, the sooner we decrease the risk of cancer, particularly lung.


Alcohol is classified as carcinogenic some (Level 1) by the International Agency for Research on Cancer (IARC). It is estimated that in 2009, more than 15,000 cancer deaths were attributable to alcohol. Consume greatly increases the risk of developing certain cancers, especially of the aerodigestive tract.

To effectively reduce this risk, it is recommended to limit not only the amount of alcohol drunk in each drinking occasion, but the frequency of such occasions. It takes 10 years to stop the consumption of alcohol to view this risk diminish. After 20 years, he no longer significantly different from that of those who never drank.


Prevent the risk of some cancers through diet.

It is recommended to limit:

  • red meat (less than 500 g per week);
  • Cooked meats ;
  • Salt: table salt, cooking salt and foods preserved by salting promote stomach cancer;

Other behaviors have a protective effect against cancer:

  • prefer low energy density foods like fruits and vegetables, too much food rich in fat, sugar and / or salt;
  • eat at least five fruits and vegetables per day, 400 g;
  • focus on whole foods, which are high in fiber (rice, pasta, cereals ...).


The daily practice of physical activity can reduce the risk of developing many chronic diseases, including cancers. It is also a way to limit weight gain, another risk factor for cancer.

Any physical activity (climbing stairs, walking, biking, swimming ...) for at least 30 minutes a day helps keep fit and reduce the risk of several cancers.

How to prevent cancer at best

How to prevent cancer at best


For any outdoor activity (leisure, sports or other professional), it is appropriate to adopt good habits:

  • avoid the sun between 11am and 16h;
  • seek shade;
  • out cover: clothing, hat, sunglasses;
  • Frequently renew the application of solar high anti-UVA and UVB protection cream;
  • monitor his skin.

Artificial UV (tanning beds) are also harmful to the skin: their use is discouraged and prohibited before 18 years.

All these prevention tips are also beneficial against other chronic diseases (cardiovascular, diabetes ...). They also allow you to improve your quality of life.

To help you preserve your risk factors for cancer, you can also benefit from preventive measures to limit exposures to your environment, whether home, outside or in connection with your work.


The International Agency for Research on Cancer (IARC), a WHO agency specializing in cancer, developed a "European Code against Cancer '. This code offers simple steps that any citizen can implement to promote cancer prevention. These include, in particular, the advice on tobacco, alcohol and nutrition.

Access the European Code against Cancer


You can help your child reduce his risk of developing cancer in adulthood:

  • have a healthy life healthy during and after pregnancy (especially tobacco or alcohol);
  • do not smoke in their presence: children are more susceptible to secondhand smoke than adults;
  • offer them a balanced diet and monitor their weight gain;
  • encourage them to practice at least one hour of physical activity per day;
  • protection from the sun (cream, hat, shirt, glasses) ...

The childhood cancers (leukemia, neuroblastoma ...) unfortunately impossible to prevent in the present state of knowledge.

How to prevent cancer at best

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