营销话术证据 A · 指南级
培根和吸烟一样致癌 (IARC 1 类)
真相
IARC Group 1 衡量证据确定性, 不是风险大小; Bouvard 2015 (Lancet Oncol): 加工肉 50 g/天结直肠癌 RR≈1.18, 而吸烟肺癌 RR≈15-30。
机制速览
2015 年, IARC 把加工肉列为 1 类对人类致癌, 这条新闻当时引发了不小的恐慌. 最常见的误读是加工肉和吸烟一样致癌. 这是错误的.
来源（3）
- Bouvard, V., Loomis, D., Guyton, K. Z., Grosse, Y., Ghissassi, F. E., Benbrahim-Tallaa, L., et al. (2015). Carcinogenicity of consumption of red and processed meat. Lancet Oncology, 16(16), 1599-1600. IARC classifies processed meat as Group 1 carcinogen, red meat as Group 2A.
- Bouvard, V., Loomis, D., Guyton, K. Z., Grosse, Y., Ghissassi, F. E., Benbrahim-Tallaa, L., et al. (2015). Carcinogenicity of consumption of red and processed meat. The Lancet Oncology, 16(16), 1599-1600.
- Norat, T., Bingham, S., Ferrari, P., Slimani, N., Jenab, M., Mazuir, M., et al. (2005). Meat, fish, and colorectal cancer risk: the European Prospective Investigation into Cancer and Nutrition (EPIC). Journal of the National Cancer Institute, 97(12), 906-916.