| 1. diseases (429) |  |
| 2. drugs (121) | |
| Anatomy (1) | |
| Birth control (4) | |
| Health (192) | |
| Health professionals (160) | |
| Immune system (2) | |
| Medical institutions (54) | |
| Medical instruments (14) | |
| Medical procedure (79) | |
| Medicine (148) | |
| Mental health (68) | |
| Pharmaceutical industry (11) | |
| Sick and handicapped persons (40) | |
| Substance abuse (21) | |
| Toxicity & poisons (45) | |