• Making a Difference

    CBCF is making a difference by funding some of the top breast cancer research in the country today.  Click on Donate Now below to do your part!

    Donate Now

  • Challenge yourself to make a difference

    Charity Challenge helps Canadians get fit, get adventurous and raise vital funds for charity. Find out how you can challenge yourself and support CBCF.

    Learn More

  • The Pink Tour

    The Canadian Breast Cancer Foundation’s Pink Tour is hitting the road for a summer-long tour to engage and inspire community members to learn about the importance of breast cancer screening. Get onboard for breast health when we visit your town!

     

    Find out more

    ;

    The Canadian Breast Cancer Foundation’s Pink Tour is hitting the road for a summer-long tour to engage and inspire community members to learn about the importance of breast cancer screening. Get onboard for breast health when we visit your town!

     

    Check out the schedule here

    ;

    The Canadian Breast Cancer Foundation’s Pink Tour is hitting the road for a summer-long tour to engage and inspire community members to learn about the importance of breast cancer screening. Get onboard for breast health when we visit your town!

     

    Check out the schedule here

    ;

    The Canadian Breast Cancer Foundation’s Pink Tour is hitting the road for a summer-long tour to engage and inspire community members to learn about the importance of breast cancer screening. Get onboard for breast health when we visit your town!

     

    Find out more

    ;

    The Canadian Breast Cancer Foundation’s Pink Tour is hitting the road for a summer-long tour to engage and inspire community members to learn about the importance of breast cancer screening. Get onboard for breast health when we visit your town!

     

    Check out the schedule here

    ;

    The Canadian Breast Cancer Foundation’s Pink Tour is hitting the road for a summer-long tour to engage and inspire community members to learn about the importance of breast cancer screening. Get onboard for breast health when we visit your town!

     

    Check out the schedule here

  • Give the Gift of Hope

    ​Every day, 66 Canadian women will be diagnosed with breast cancer. Your gift of hope today can help make this statistic history.


    Donate now
  • National Grant Competition

    ​​National Grant Competition in Early Detection. Advancing technologies with strategic potential for enabling the earlier detection of breast cancer.

    Application deadline is now closed.
    Thank you to all who applied.

    Find out more

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What Causes Breast Cancer?

Breast cancer is a complex disease with no single cause. Breast cancer researchers believe that a combination of inherited and environmental causes must be present for breast cancer to develop.
 

Inherited causes can be thought of as internal factors. They are part of the genetic makeup we received from our parents and do not change through life. Examples of inherited causes include genetic mutations and differences in the way our bodies repair cell DNA after it has been damaged.

Environmental causes can be thought of as external factors. They affect us throughout our lives. Examples of external factors include our lifestyle and the environment we live in, for example, our level of physical activity, our use of hormone replacement therapy and our exposure to chemicals that are known to change cell DNA.

More research is needed in this area to understand better how inherited and environmental causes work together to result in the cell DNA changes that lead to breast cancer. Research helps to improve our knowledge of breast cancer, giving us a stronger understanding of breast cancer risk and ways to try to reduce the risk.

More Information