New Study Finds Link Between Fitness and Reduced Cancer Risk
A new study conducted by researchers in Sweden has found that being fit earlier in life is associated with a lower risk of developing nine different types of cancer later on. The study, which drew on data from more than 1 million male Swedish conscripts, followed them for an average of 33 years.
The researchers discovered that good cardiorespiratory fitness was particularly beneficial in reducing the risk of lung, liver, and oesophageal cancer. In fact, individuals with higher fitness levels had a 42% reduced risk of lung cancer, a 40% reduced risk of liver cancer, and a 39% reduced risk of oesophageal cancer. Furthermore, higher fitness levels were also associated with a lower risk of head and neck, stomach, pancreatic bowel, and kidney cancer.
Interestingly, the study did find a slight increase in the risk of prostate and skin cancer among those with higher cardiorespiratory fitness. However, further research is needed to determine the cause of this association.
It is worth noting that the study did not take into account the effects of diet, alcohol, and smoking on cancer risk. These factors are known to be influential in cancer development and could potentially impact the relationship between fitness and cancer risk. Therefore, more comprehensive research is needed to fully understand the role of fitness in preventing cancer.
Despite this limitation, the study supports the idea of promoting interventions to increase cardiorespiratory fitness. Lead researcher, Dr. Helena Backman, highlighted that engaging in aerobic activities such as running, biking, sports, and swimming may be particularly effective in reducing cancer risk.
Moreover, it is important to remember that exercise has numerous other health benefits beyond reducing cancer risk. Regular physical activity has been proven to improve cardiovascular health, boost mood, and enhance overall well-being.
According to current exercise guidelines, individuals should aim to engage in at least 150 minutes of exercise per week. However, any form of physical activity that gets the heart pumping faster counts towards this goal. So whether it’s going for a jog, taking a dance class, or playing a game of basketball, every effort towards increasing physical fitness is likely to have a positive impact on health.
In conclusion, this study adds to the growing body of evidence suggesting that fitness plays a crucial role in reducing the risk of cancer. By maintaining good cardiorespiratory fitness through regular exercise, individuals can potentially protect themselves from several types of cancer.
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