| Forensic Toxicology and Drug Analysis | Lifetime | 53 | US 19 | 98.75 |
| Psychedelics and Drug Studies | Lifetime | 39 | US 14 | 98.22 |
| Cannabis and Cannabinoid Research | Lifetime | 215 | US 94 | 98.03 |
| Opioid Use Disorder Treatment | Lifetime | 159 | US 115 | 98.13 |
| Substance Abuse Treatment and Outcomes | Lifetime | 259 | US 183 | 98.28 |
| HIV, Drug Use, Sexual Risk | Lifetime | 418 | US 256 | 97.78 |
| Prenatal Substance Exposure Effects | Lifetime | 223 | US 157 | 96.88 |
| Alcohol Consumption and Health Effects | Lifetime | 936 | US 436 | 94.51 |
| LGBTQ Health, Identity, and Policy | Lifetime | 912 | US 575 | 90.86 |
| Sexuality, Behavior, and Technology | Lifetime | 958 | US 489 | 90.19 |
| Alcoholism and Thiamine Deficiency | Lifetime | 788 | US 340 | 86.00 |
| Survey Methodology and Nonresponse | Lifetime | 646 | US 319 | 63.63 |
| Forensic Toxicology and Drug Analysis | 2021-2025 | 1 | US 1 | 99.45 |
| Cannabis and Cannabinoid Research | 2021-2025 | 15 | US 3 | 98.80 |
| Substance Abuse Treatment and Outcomes | 2021-2025 | 26 | US 15 | 98.82 |
| Alcoholism and Thiamine Deficiency | 2021-2025 | 3 | US 3 | 96.50 |
| Opioid Use Disorder Treatment | 2021-2025 | 36 | US 28 | 98.55 |
| Psychedelics and Drug Studies | 2021-2025 | 31 | US 14 | 97.54 |
| Anesthesia and Sedative Agents | 2021-2025 | 105 | US 34 | 94.40 |
| Pain Management and Opioid Use | 2021-2025 | 87 | US 55 | 93.96 |
| Tryptophan and brain disorders | 2021-2025 | 477 | US 96 | 91.69 |
| Poisoning and overdose treatments | 2021-2025 | 60 | US 27 | 92.45 |
| Treatment of Major Depression | 2021-2025 | 169 | US 48 | 93.07 |
| Smoking Behavior and Cessation | 2021-2025 | 266 | US 177 | 92.21 |
| Veterinary Pharmacology and Anesthesia | 2021-2025 | 80 | US 32 | 89.59 |
| Prenatal Substance Exposure Effects | 2021-2025 | 243 | US 167 | 87.31 |
| Alcohol Consumption and Health Effects | 2021-2025 | 378 | US 141 | 87.31 |
| HIV, Drug Use, Sexual Risk | 2021-2025 | 876 | US 464 | 87.17 |
| Neurotransmitter Receptor Influence on Behavior | 2021-2025 | 688 | US 335 | 78.46 |