An hour and a half of exercise each day can significantly reduce the risk of dying from colon cancer, according to new research. This groundbreaking study found that patients who engaged in about 10 hours of physical activity per week cut their mortality risk by 37% over three years. Activities as simple as brisk walking or high-intensity interval training (HIIT) were all beneficial.
Presenting the findings at the American Society of Clinical Oncology (ASCO) conference, experts highlighted that this evidence shows exercise is crucial in battling cancer. Julie Gralow, ASCO president, noted that exercise could be more effective than medication, especially since it has no adverse side effects. She emphasized that it’s never too late for patients to start incorporating exercise into their routines, even after diagnosis.
Interestingly, cases of colon cancer among younger adults in their 20s and 30s have increased dramatically, rising by 80% globally in the last three decades. This trend is puzzling to many doctors. The study involved 889 participants from six countries who had undergone surgery and chemotherapy for localized colon cancer.
One group followed a structured exercise program while the other received standard care. Participants in the exercise group enjoyed in-person coaching and various types of workouts. After five years, 80% of those who exercised remained cancer-free compared to just 74% in the other group.
Professor Vicky Coyle, one of the lead researchers, pointed out that the variety of activities allowed patients to pick what suited them best, whether it was walking, cycling, or even participating in circuit classes. The long-term blessing of regular exercise continued for eight years, with a marked reduction in the risk of death.
Dr. Joe Henson, a co-author of the study, shared that exercise not only improves physical strength but also enhances mood and reduces fatigue. It’s worth noting that past research indicates exercise may help the immune system better target cancer cells by releasing specific chemicals that combat them. Furthermore, regular physical activity has been linked to lower levels of inflammatory proteins, which are known to encourage tumor growth.
Natasha Wood, who was diagnosed with stage three colon cancer at just 30, underscores the importance of fitness. Having undergone surgery and chemotherapy, she credits her active lifestyle as a vital part of her recovery and ongoing health. “Exercise has been a cornerstone of my healthy lifestyle,” she said, noting its impact on her physical and mental health.
Colon cancer is currently the third most common cancer in the UK, with around 32,000 cases diagnosed annually. Symptoms can include bowel movement changes, blood in the stool, abdominal pain, and unexplained weight loss. The majority of cases are diagnosed in individuals over 50, yet the rising instances among younger adults are alarming. Experts speculate possible causes such as obesity, overuse of antibiotics, and the consumption of ultra-processed foods.
As research continues, the significance of a healthy lifestyle becomes increasingly clear. The link between regular exercise and reduced cancer risk not only highlights a proactive approach to health but also encourages patients to take charge of their well-being, especially during and after treatment.
For more insights on cancer research and statistics, visit Cancer Research UK or American Cancer Society.
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