Breast Cancer Prevention (PDQ®): Prevention - Patient Information [NCI] - What is prevention?
Cancer prevention is action taken to lower the chance of getting cancer. By preventing cancer, the number of new cases of cancer in a group or population is lowered. Hopefully, this will lower the number of deaths caused by cancer.
To prevent new cancers from starting, scientists look at risk factors and protective factors. Anything that increases your chance of developing cancer is called a cancer risk factor; anything that decreases your chance of developing cancer is called a cancer protective factor.
Sedation may be considered for comfort.
Patients with advanced cancer or near the end of life may have:
A lot of emotional distress and physical pain.
Difficult and painful breathing.
Confusion (especially when body systems begin to fail).
Sedation can be given to ease these conditions. This is called palliative sedation. Deciding to use palliative sedation may be difficult for the family as well as the patient. The patient and family can get support from the health care team and...
Some risk factors for cancer can be avoided, but many cannot. For example, both smoking and inheriting certain genes are risk factors for some types of cancer, but only smoking can be avoided. Regular exercise and a healthy diet may be protective factors for some types of cancer. Avoiding risk factors and increasing protective factors may lower your risk but it does not mean that you will not get cancer.
Different ways to prevent cancer are being studied, including:
Changing lifestyle or eating habits.
Avoiding things known to cause cancer.
Taking medicines to treat a precancerous condition or to keep cancer from starting.