Fenbendazole has real preclinical anti-cancer evidence — but zero completed human RCTs as of July 2026 and documented liver injury cases. This complete guide covers the Joe Tippens pembrolizumab confound, Korean n=78 study, 2 Phase I registered trials, the tubulin and glucose mechanism, a full 9-row evidence table, and what patients must tell their oncologist before using it.

Dark spots affect millions of Americans but using the wrong treatment for the wrong type makes them worse. This 2026 AAD-guided complete covers all 4 types (melasma, PIH, sunspots, freckles), a 9-ingredient evidence table with timelines, why sunscreen is non-negotiable, the Kligman formula for melasma, and ABCDE melanoma warning signs every patient must know.

Over 98% of US head lice are now permethrin-resistant. This 2026 CDC-verified guide covers Sklice ivermectin 0.5% OTC lotion (94.9% louse-free at Day 15, single application, no nit combing required), oral ivermectin off-label dosing by weight, a 7-treatment comparison table, why permethrin no longer works, and complete household decontamination steps.