Experts believe that one-third to one-half of all cancers can be prevented.
That's because there are certain things about our lifestyles—our daily habits—that can make us more likely to get cancer. Here are some steps you can take today to help prevent cancer:
Your doctor may recommend other things based on your personal health history. For example, taking aspirin to prevent cancer may be a good idea for some people. But taking aspirin can have risks, too. So talk to your doctor about what cancer prevention tips are best for you.
When you quit smoking, you lower your chances of getting many types of cancer. Smoking makes you more likely to get cancers of the lung, bladder, kidneys, pancreas, cervix, mouth, esophagus, and throat.
Quitting is hard, but you can do it with the right amount of information and support. And there are several medicines that work well to help people quit for good. For information, see the topic Quitting Smoking .
And for more help, see:
Healthy food choices may help prevent cancer.
Some scientists think certain supplements might help prevent cancer, but there isn't enough research yet to prove that. If you want to take supplements to prevent cancer, talk to your doctor about what is safe for you to take. Eating healthy foods is still the best way to get the vitamins and minerals your body needs.
For ideas and tips, see:
If you are very overweight, your chances of getting some forms of cancer are higher. And people whose extra fat is in the waist area may be at higher risk than people whose extra fat is in the hips or thighs.
Eating a healthy diet and being more active can help you reach a healthy weight. It can be hard to change habits around eating and being active. But you can do it by taking one step at a time. To learn how, see Getting to a Healthy Weight: Lifestyle Changes .
For more help making these changes, see:
Being active every day may prevent a number of cancers. And regular activity can help you get to and stay at a healthy weight, which can also help keep you from getting cancer.
Being physically active and getting enough sleep may work together to lower your cancer risk even more than activity alone, especially for women.
If you're not used to being active every day, think about taking small steps to change your habits. For more information, see:
For more ideas and tips, see:
Most skin cancer is caused by too much sun. Follow these steps to help prevent skin cancer:
For more information, see:
If you drink alcohol, be aware that this may increase your risk for getting cancer.
Experts don't agree on how much is safe, but most agree that the more alcohol you drink, the higher your risk is for cancer.
If you're a woman, think about limiting yourself to 1 drink a day. Drinking alcohol leads to extra estrogen in the body, which raises your risk for breast cancer. Studies show that for women who have a personal or family history of breast cancer, it may be better to limit alcohol to less than 1 drink a day.
Practicing safer sex helps keep you from getting HPV , a sexually transmitted infection that can cause cervical cancer in women. Safer sex includes using condoms and talking to every potential sex partner about his or her sexual history.
Visiting your doctor and dentist for regular checkups is good for your health. Your doctor can schedule regular screenings for various types of cancer, such as mammograms for breast cancer and stool tests for colon cancer.
Most screenings and checkups are to find cancer early, when it's easier to treat and may even be curable.
For more information, see:
If you are age 26 or younger, you can get the HPV vaccine to protect against the virus that can cause cervical cancer . A series of shots is given over 6 months. The series of shots is recommended for girls age 11 or 12 and can be given to females ages 9 to 26.
Living or working in unhealthy places can make you sick. Stay away from certain chemicals and other things in the environment that can increase your chances of getting cancer.
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