Takeaway
- Mendelian randomization studies establish the causality of obesity (body mass index [BMI], ≥30 kg/m 2 ) with colorectal, endometrial, ovarian, kidney, and pancreatic cancer and esophageal adenocarcinoma.
- BMI shows an inverse association with breast cancer.
Why this matters
- Findings show a complex relationship between obesity and cancer risk.
Study design
- 204...