Price of Nitazenes for Sale on Cryptomarkets and Surface Web Shops.  Man N, Barratt MJ, Bruno R, Graham C, Sadaphale V, Peacock A, Sutherland R.  Drug Alcohol Rev. 2026 Jul;45(5):e70202. doi: 10.1111/dar.70202. PMID: 42421170; PMCID: PMC…

Cychlorphine (N-Propionitrile Chlorphine): An Emerging Benzimidazolone Synthetic Opioid and Its Implications for Overdose Recognition and Management.  Raffa RB, Breve F, Pergolizzi JV Jr, Vortsman E, Varrassi G.  J Pain Res. 2026 Jul 10;…

Beyond Respiratory Depression: Acute and delayed pulmonary responses following aerosolized fentanyl exposure.  Lopez Hernandez Y, Chatterjee T, Gross CM, Underwood L, Goliwas KF, Masjoan Juncos JX, Yndart Arias A, Achanta S, Deshane J, Aggarwa…

Fentanyl-Induced Diaphragmatic Discoordination during Overdose.  Soto-Perez J, Fisher GE, Stephanie Wee SW, Browe B, da Ponte JF, Fang YH, Sharp WW, Garcia AJ.  bioRxiv [Preprint]. 2026 Jul 2:2026.06.28.734963. doi: 10.64898/2026.06.28.7…

Xylazine-Fentanyl Positivity and Concentration in Urine Drug Tests.  Sugarman OK, Marks C, Whitley P, Saloner B, German D.  JAMA Netw Open. 2026;9(7):e2622473. doi:10.1001/jamanetworkopen.2026.22473 https://jamanetwork.com/journals/jama…

Estland. Estonia Won the War on Fentanyl. What Came Next Was Even Worse. By 2018, fentanyl overdoses in Estonia had plummeted. But powerful new drugs are appearing fast, with the authorities racing to respond. (New York Times, USA, 07.07.2026, Anme…