| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | lactose | Western countries | Many people in Western countries consume dairy products containing lactose, and many have high prevalence of lactase persistence. | 3 |
| 2 | lactose | American | Many American adults are lactose tolerant. | 1 |
| 3 | lactose | European | Lactose tolerance is prevalent among European adults. | 1 |