Cancer Survivorship Lifestyle Habits

Can Lifestyle Habits Improve Survival After Cancer?

A new World Cancer Research Fund-funded analysis led by Newcastle University examined 28,550 UK Biobank participants who later developed cancer. Researchers scored how closely people followed five WCRF/AICR cancer prevention recommendations before diagnosis: maintaining a healthy weight, being physically active, eating whole grains, vegetables, fruit and beans, limiting red and processed meat, and limiting alcohol.

The study found that each 1-point increase in adherence was associated with an 8% lower chance of dying from any cause over time, while people in the highest adherence group had a 16% lower chance of all-cause mortality compared with those in the lowest group. Because this was an observational cohort study, the results should be interpreted as an association, not proof that lifestyle changes alone extend survival.

Which Habits Matter Most for Cancer Survivors?

The WCRF/AICR recommendations emphasize dietary quality and body composition, while related cardio-oncology research highlights smoking status, physical activity, body mass index, blood pressure, cholesterol and blood glucose. In the Moli-sani cohort, a European Heart Journal study followed 779 cancer survivors for a median of 14.6 years and found that those with ideal American Heart Association Life's Simple 7 scores had a 38% lower all-cause mortality risk than those with poor scores.

These overlapping findings matter because cancer and cardiovascular disease share biological pathways, including chronic inflammation, insulin resistance, obesity-related hormonal changes and vascular injury. Cancer therapies can also increase long-term cardiovascular risk, making blood pressure, glucose, lipid control and physical fitness especially relevant during survivorship.

How Should Patients Start Safely After Treatment?

The American Cancer Society recommends that physical activity assessment and counseling begin as early as possible after diagnosis, with plans adjusted for cancer type, treatment phase, fatigue, anemia, neuropathy, bone health, immune suppression and other medical conditions. Many adults can work toward 150 to 300 minutes of moderate-intensity activity per week plus muscle-strengthening activity, but some people need supervised rehabilitation or a slower progression.

Nutrition advice should be practical rather than punitive: more minimally processed plant foods, adequate protein to protect muscle, fewer processed meats, and alcohol reduction when possible. Survivors should be cautious with high-dose supplements unless prescribed, because supplements do not substitute for treatment and some may interfere with cancer therapy.