| Diet and disease |
| Diet and substance abuse recovery |
| Dieting – fad diets |
| Difficulty falling asleep |
| Digestive disease – resources |
| Diphtheria immunization (vaccine) |
| Discipline |
| Discussing death with children |
| Disposable urinary collection devices |
| Dissect |
| Distal |
| DNR |
| Do not resuscitate |
| Doctor – how to choose a family doctor |
| Doctor of medicine profession (MD) |
| Doctor of Osteopathy (D.O.) |
| Doctors |
| Driving and teenagers |
| Drug abuse |
| Drug abuse – resources |
| Drug signs and teenagers |
| Drug tampering |
| Drug-induced erectile dysfunction |
| Drugs – how to get prescription filled |
| Drugs for pain |
| Drugs that may cause impotence |
| Dry skin and cold weather itch |
| DTaP immunization (vaccine) |
| Duodenum |