Cancer risk
The chance of developing cancer, and what in daily life may raise or lower it.
9 findings across 9 topics. Strongest evidence: Vitamin D (B), Mediterranean Diet (C), Garlic (C).
Grades show how certain the evidence is, not how big the effect is. How we grade evidence
What helps
Vitamin D
- Lowers the risk of dying from cancer — Benefit, grade B: Moderate
Mediterranean Diet
- Reduces the risk of cancer — Benefit, grade C: Limited
Garlic
- Linked to lower stomach cancer risk — Benefit, grade C: Limited
Doesn't seem to help
Olive Oil
- Lowers cancer risk — No effect, grade C: Limited
Poultry
- Causes colorectal cancer — No effect, grade C: Limited
Risks and things that may make it worse
Beer
- Raises cancer risk — Harm, grade A: Strong
Red Meat
- Raises colorectal cancer risk — Harm, grade B: Moderate
Red Wine
- Raises the risk of several cancers — Harm, grade B: Moderate
Napping
- Naps are safe for cancer risk — Harm, grade C: Limited