What to know about exercise and cancer prevention

Learn why cancer prevention and exercise may go together, plus tips to help you get moving.

Top view of young man wearing eyeglasses with backpack walking upstairs in city while commuting to work

Updated on April 1, 2024.

Some research suggests that moderate physical activity now may help prevent cancer later in life.  

Researchers at the Cooper Clinic in Dallas evaluated data of more than 17,000 men who did a treadmill exercise evaluation as part of their yearly health checkup. The heart-health assessment consisted of walking at various speeds on different inclines, with the men split into five groups from most to least fit.  

Researchers from the University of Vermont then used Medicare data to identify the men who developed common cancers over the next 20 to 25 years. Compared to the least fit ones in the group, the men who were most fit in their 40s, 50s, and 60s had a 68 percent lower risk of lung cancer, and a 38 percent lower risk of colorectal cancer (a which affects the large intestine and the rectum, the last several inches of the large intestine). 

The study results suggest that even small improvements in fitness could help protect against cancer decades later.  

The link between exercise and cancer prevention

The link between exercise and cancer prevention isn't conclusive, but some studies suggest that maintaining an exercise regimen as part of an overall healthy lifestyle may help prevent cancer. Regular physical activity helps boost the immune system and manage weight, which can decrease inflammation and may prevent the growth of cancer cells. 

To get moving as you are able, try these tips: 

Take a walk. It can be easier to incorporate into your day, and you may be more likely to stick with it and make it a regular habit. If you have a pet, taking them along can help with stress reduction, too.

Do some yard work. Thirty minutes of raking can burn nearly 200 calories.  

Instead of taking the elevator, start taking the stairs. Walking a flight of stairs can improve heart health and build muscle mass. 

Whatever your preferred mode of workout, as you are able aim for roughly 30 minutes a day, five days per week of of moderate activity like brisk walking. You can start slow and build up as you are able, or break it into smaller chunks of time that fit into your schedule.   

More On

Sharing care: Erica's story

video

Sharing care: Erica's story
Erica Hoffman has colorectal cancer, but she doesn’t let her illness define her. She’s also a lover of music, a vocal instructor and the smile that li...
Graft-Versus-Host Disease and Mental Health

article

Graft-Versus-Host Disease and Mental Health
Learn how to recognize and address the mental burdens of GVHD.
9 cancer symptoms you should never ignore

slideshow

9 cancer symptoms you should never ignore
Learn which easy to miss symptoms may be a sign of cancer.
How Do Beets Help Fight Cancer?

video

How Do Beets Help Fight Cancer?
The chemical that's responsible for the beet's vibrant color can also help prevent cancer, says nutrition specialist Dr. Neal Barnard. Find out more b...
How Does the Immune System Protect Us from Cancer?

video

How Does the Immune System Protect Us from Cancer?
Cancer cells reside in all of us, and our immune systems work to attack them; natural killer (NK) cells do that via a process called apoptosis. Watch ...