Simple Way To Boost Cancer Survival Rates.
Convincing data exist that obesity is associated with an increased risk of breast cancer recurrence, and similar evidence on obesity and prognosis is also accumulating for other cancers. On the opposite end of the spectrum, those with aero-digestive tumours, such as head and neck, eosophagus, or lung cancers may be malnourished and underweight at the point of diagnosis, and could therefore benefit from increasing their body weight. Therefore, achieving and maintaining a healthy weight, as well as consuming a nutrient-rich diet and maintaining a physically active lifestyle, are important to improve long-term health and well-being. Extensive research has been conducted on the benefits of physical activity during recovery from cancer-related treatments, and an increasing number of studies have examined the impact of physical activity on cancer recurrence and long-term survival. Exercise has been shown to improve cardiovascular fitness, muscle strength, body composition, fatigue, anxiety, depression, self-esteem, happiness, and several components of quality of life (physical, functional, and emotional) in cancer survivors. In addition, exercise studies have targeted certain symptoms particular to specific cancers and the adverse effects of specific therapies (eg, lymphedema in survivors of breast cancer) and shown beneficial effects that are more cancer-specific. At least 20 prospective observational studies have shown that physically active cancer survivors have a lower risk of cancer recurrences and improved survival compared with those who are inactive, although studies remain limited to breast, colorectal, prostate, and ovarian cancer, and randomised clinical trials are still needed to better define the impact of exercise on such outcomes. Credit: CA: A Cancer Journal for Clinicians
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