Column: Dr Parikh On Colorectal Cancer & More
[Column written by Dr Aparna Parikh]
Colorectal cancer is often thought of as a disease that affects older people, but more and more young adults are being diagnosed with it. In Bermuda, cancer causes around one-third of all deaths and colorectal cancer is a major concern. The island’s National Cancer Control Plan highlights the need for action – especially since lifestyle can play a big role in prevention.
Signs You Shouldn’t Ignore
Early detection saves lives. We’ve heard it said many times but it’s true! Bowel cancer is one of those ones that is often ignored because of the stigma about talking about many of those symptoms, but it’s time to take better care of ourselves.
Symptoms to watch for include ongoing changes in bowel habits – particularly constipation, diarrhoea, blood in your stool – unexplained weight loss and stomach discomfort. Many people dismiss these signs, assuming they’re minor and potentially embarrassing, but if something doesn’t feel right, get it checked. The earlier it’s caught, the easier it is to treat.
Why Are More Young People at Risk?
The rise in cases among younger adults is worrying, and while genetics play a role, lifestyle factors are major contributors. Diets high in processed foods and red meat, combined with low fibre intake, obesity and stress, increase risk. In Bermuda, it’s estimated that 24% of adults are obese, which can exacerbate your colorectal cancer risk.
One of the biggest risks, though, now appears to be our increasingly sedentary lifestyles. Research has been carried out that suggests there may be a correlation between how much time we spend seated and the possibility of developing colorectal cancer.
The Sitting Problem
Whether it’s at a desk at work, enjoying a few minutes of reading a book or scrolling through your phone, unwinding at the end of a long day on the couch or playing video games: most of us spend hours sitting. Research has been done that links too much sitting to a higher risk of colorectal cancer, partly because it slows digestion and increases inflammation. The good news? Even small changes can help.
Reducing Your Risk
Moving more is key. Take breaks from your desk, go for short walks, or use a standing desk. Even standing during phone calls or taking the stairs makes a difference.
A balanced diet also helps. Eat more plant-based foods, whole grains, and healthy fats, while cutting down on processed meats. Keeping a healthy weight, avoiding smoking, and limiting alcohol further reduce risk.
Most importantly, get screened. In Bermuda, it’s recommended that you start screenings at 45, but those with family history or risk factors should speak to their doctor about the possibility of being tested earlier.
- Dr Aparna Parikh is an Associate Professor of Medicine, Harvard Medical School; Director of the MGH Cancer Center’s Global Cancer Care Program and Director of Colorectal Medical Oncology, Medical Director Center for Young Adult Colorectal Cancer.
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