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What causes cancer

For many years research has looked at what might cause cancer. We know now that ultraviolet light (in sunlight), some viruses, cigarette smoke, some drugs and chemicals can lead to cancer. But we still don’t know why many cancers develop. 
 
Some cancers run in families, but most don’t.
 
Recent research has identified some genes that lead to an increased risk of breast cancer. Some inherited conditions make people more likely to get particular cancers. If you belong to a family with an increased risk, your doctor will discuss with you any regular tests you need to have.
 
There isn’t a single cause of cancer – many different factors combine when cancer develops.
 
How can I reduce my risk of cancer?   more...
    If you smoke, quit. Call the Quitline 13 7848.
    Eat well – go for 5 serves of vegies and 2 of fruit every day.
    Get some exercise – aim for 30-60 minutes every day.
    Stay at healthy weight. If you are overweight, try to lose weight.
    Protect yourself from the sun.
    Limit or avoid alcohol.
 
Cancer myths 
Cancer is contagious
You can’t catch cancer from someone else
. While some viral infections, like Human Papilloma Virus (HPV) and Hepatitis are linked with certain types of cancer, they only increase the risk of developing that cancer.
 
Stress causes cancer.
Research hasn’t shown any link between stress and cancer. But being stressed may make you feel unwell and affect your recovery from illness.
 
Cancer can be caused by an injury or blow to the body.
There’s no evidence that this is so. However, if you’ve been hurt somewhere on your body, you may be more aware of that area, or need treatment, and so a cancer that was already there is found.
 
Cancer is always fatal.
Many cancers can now be cured. Others can be treated well so that you can continue to live for many years.
 
Cancer is a punishment for something you’ve done wrong.
This is definitely not true. Talking, reading or thinking about cancer will not make you get cancer either.
 
More about cancer myths 
Canadian Cancer Society > go to About cancer tab > cancer myths 
Top 10 cancer myths - results of research from the American Cancer Society 
 
Find out more 
Go to our Online library 
   Read About cancer
            What is cancer? 

 



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