Many cancer cases might be avoidable through healthier lifestyle practices, according to health experts. They emphasize that daily habits, including smoking, unhealthy diets, insufficient physical activity, alcohol intake, inadequate sleep, and extended periods of sitting, can substantially impact cancer risk over time. Tobacco is identified as the top preventable cause of cancer globally, with smoking being a major contributor not only to lung cancer but also to those affecting the mouth, throat, bladder, kidney, pancreas, and oesophagus. Even non-smokers aren’t safe, as exposure to secondhand smoke also raises lung cancer risks. Encouragingly, quitting smoking can rapidly diminish cancer risks, with notable health benefits emerging within a few years.
Obesity is highlighted as another significant risk factor, linked to cancers such as breast, colon, kidney, endometrial, and oesophageal. Excessive body fat may promote inflammation and hormone changes conducive to tumor growth. Health professionals advise incorporating at least 150 minutes of moderate physical activity weekly, like brisk walking or cycling, to help mitigate cancer risk. Exercise is believed to reduce inflammation, enhance hormone balance, and support metabolic health.
Prolonged sitting is also cautioned against, as it may elevate the risk of colorectal and endometrial cancers, even among those who regularly exercise. Dietary choices play a crucial role in cancer prevention. Experts recommend reducing intake of processed meats like sausages and bacon, which are linked to higher colorectal cancer risks, and moderating red meat consumption, which may increase bowel cancer risk. Alcohol is another major consideration, with even modest consumption potentially heightening the risk of breast, liver, and colorectal cancers.
Conversely, diets abundant in fiber, vegetables, fruits, healthy fats, and whole foods might help lower cancer risks. Cruciferous vegetables, such as broccoli, kale, and cabbage, are noted for compounds that may bolster the body’s natural defenses. Additionally, doctors point to lesser-known risk factors, including excessive sun exposure, tanning beds, poor sleep patterns, long-term night-shift work, and exposure to harmful substances like radon gas.
Health experts underscore that cancer prevention doesn’t necessitate drastic changes overnight. Incremental, consistent improvements in lifestyle, such as quitting smoking, cutting back on processed foods and alcohol, maintaining physical activity, protecting skin from excessive sun, and ensuring adequate sleep, can significantly reduce long-term cancer risk. Regular health screenings and check-ups are also recommended for early detection and prevention efforts.