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The Impact of Exercise on Cancer Prevention and Treatment

The Impact of Exercise on Cancer Prevention and Treatment

Regular physical activity is widely recognized for its range of health benefits, including its role in reducing the risk of various types of cancer and improving outcomes for cancer patients. This article explores how exercise influences cancer prevention, treatment, and overall wellbeing, supported by current research and expert insights. 

 

Exercise and Cancer Prevention 

  1. Reduced Risk
    Numerous studies indicate that regular physical activity is associated with a lower risk of developing several types of cancer, including breast, colon, endometrial, and lung cancers. Exercise helps maintain a healthy weight, reduces inflammation, and improves immune function, all of which contribute to lowering cancer risk. 
  2. Mechanisms
    Exercise influences several biological pathways that may reduce cancer risk, such as lowering levels of circulating hormones like estrogen (which can promote breast cancer) and insulin (which can affect cancer cell growth). 
  3. Specific Benefits
    For example, women who engage in regular moderate to vigorous physical activity have a 20-30% lower risk of breast cancer compared to those who are inactive. Similarly, individuals who are physically active have a 30-40% lower risk of colon cancer. 

 

Exercise During Cancer Treatment 

  1. Improved Treatment Tolerance
    Exercise can help cancer patients tolerate and recover from treatment better by maintaining muscle mass, reducing fatigue, and improving overall quality of life. 
  2. Reduced Side Effects
    Physical activity has been shown to alleviate common treatment-related side effects such as fatigue, nausea, depression, and anxiety. 
  3. Enhanced Treatment Efficacy:
    Some studies suggest that exercise may enhance the efficacy of cancer treatments, such as chemotherapy and radiation therapy, by improving oxygen delivery to tumors and making cancer cells more sensitive to treatment. 

 

Exercise as Part of Survivorship 

  1. Long-term Benefits: For cancer survivors, maintaining regular physical activity can help reduce the risk of cancer recurrence, improve overall health outcomes, and enhance quality of life. 
  2. Psychosocial Benefits: Exercise promotes mental well-being by reducing stress, anxiety, and depression commonly experienced during and after cancer treatment. 
  3. Community Support: Participating in exercise programs tailored for cancer survivors can provide social support and camaraderie, fostering a sense of community and resilience. 

 

Exercise plays a vital role in cancer prevention, treatment, and survivorship. From reducing cancer risk and improving treatment outcomes to enhancing quality of life during survivorship, physical activity offers numerous benefits. Incorporating regular exercise, tailored to individual needs and capabilities, can empower individuals to take an active role in their health and wellbeing throughout the cancer journey. It is important to consult with your physician before beginning any new exercise routine. 

 

References 

American Cancer Society. (n.d.). Cancer Prevention & Early Detection Facts & Figures 2020-2021. 
National Cancer Institute. (n.d.). Physical Activity and Cancer. 
Harvard T.H. Chan School of Public Health. (n.d.). Exercise and Cancer. 4. Centers for Disease Control and Prevention. (n.d.). Physical Activity and Cancer. 
Mayo Clinic. (n.d.). Cancer prevention: 7 tips to reduce your risk.
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