Complete the text using the correct words from the list. There are TWO words you will not need.

Cancer is disease in which the body cannot control how grow. Tumours develop when it produces too much . Sometimes cell growth is harmless , but often, it to other parts of the body . Such tumours are the ones that cause cancer .

Cancer can everyone, but older people are more likely to get cancer than younger ones. Scientists do not really know how cancer develops. Most cancer forms are caused by our . Smoking or drinking alcohol, being in the sun for too long or getting into contact with dangerous may lead to cancer. But we may also cancer from our parents and grandparents. The they pass down to us may have cancer cells in it.

Today, doctors cancer in different ways. If cancer cells stay in the same place they can remove tumours by . Very often, healthy cells must also be cut out . Women who have cancer must often have their whole breast taken away.

is a good way to fight off cancer cells if an operation is not possible. X-rays are directly at the tumour and bad cells are destroyed.

Doctors use if cancer cells have spread to other parts of the body. are injected and fight off bad cells wherever they find them. This treatment can be dangerous because if the drugs are too strong healthy cells can also be destroyed.